rearranges docs and build script

Two reasons:
- sphinx requires to have all sources in its source directory
  so man pages have to be moved
- layout of subfolders in doc folder was not consistent

doc/sphinx/conf.py

@@ -0,0 +1,165 @@
+# -*- coding: utf-8 -*-
+#
+# Configuration file for the Sphinx documentation builder.
+#
+# This file does only contain a selection of the most common options. For a
+# full list see the documentation:
+# http://www.sphinx-doc.org/en/master/config
+
+# -- Path setup --------------------------------------------------------------
+
+# If extensions (or modules to document with autodoc) are in another directory,
+# add these directories to sys.path here. If the directory is relative to the
+# documentation root, use os.path.abspath to make it absolute, like shown here.
+#
+# import os
+# import sys
+# sys.path.insert(0, os.path.abspath('.'))
+
+
+# -- Project information -----------------------------------------------------
+
+project = 'Kea'
+copyright = '2019, Internet Systems Consortium'
+author = 'Internet Systems Consortium'
+
+# -- General configuration ---------------------------------------------------
+
+# If your documentation needs a minimal Sphinx version, state it here.
+#
+# needs_sphinx = '1.0'
+
+# Add any Sphinx extension module names here, as strings. They can be
+# extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
+# ones.
+extensions = [
+    'sphinx.ext.todo',
+]
+
+# The suffix(es) of source filenames.
+# You can specify multiple suffix as a list of string:
+#
+# source_suffix = ['.rst', '.md']
+source_suffix = '.rst'
+
+# The master toctree document.
+master_doc = 'arm/index'
+
+# Additional docs
+messages_doc = 'kea-messages'
+
+# The language for content autogenerated by Sphinx. Refer to documentation
+# for a list of supported languages.
+#
+# This is also used if you do content translation via gettext catalogs.
+# Usually you set "language" from the command line for these cases.
+language = None
+
+# List of patterns, relative to source directory, that match files and
+# directories to ignore when looking for source files.
+# This pattern also affects html_static_path and html_extra_path.
+exclude_patterns = ['_build', 'Thumbs.db', '.DS_Store']
+
+# The name of the Pygments (syntax highlighting) style to use.
+pygments_style = None
+
+
+# -- Options for HTML output -------------------------------------------------
+
+# The theme to use for HTML and HTML Help pages.  See the documentation for
+# a list of builtin themes.
+#
+#html_theme = 'alabaster'
+html_theme = 'sphinx_rtd_theme'
+#html_logo = '_static/kea-logo-100x70.png'
+html_logo = 'static/kea-imageonly-100bw.png'
+
+# Theme options are theme-specific and customize the look and feel of a theme
+# further.  For a list of options available for each theme, see the
+# documentation.
+#
+#html_theme_options = {
+#    "logo": "kea-logo-100x70.png",
+#}
+
+# Add any paths that contain custom static files (such as style sheets) here,
+# relative to this directory. They are copied after the builtin static files,
+# so a file named "default.css" will overwrite the builtin "default.css".
+html_static_path = ['static']
+
+# Custom sidebar templates, must be a dictionary that maps document names
+# to template names.
+#
+# The default sidebars (for documents that don't match any pattern) are
+# defined by theme itself.  Builtin themes are using these templates by
+# default: ``['localtoc.html', 'relations.html', 'sourcelink.html',
+# 'searchbox.html']``.
+#
+# html_sidebars = {}
+
+
+# -- Options for HTMLHelp output ---------------------------------------------
+
+# Output file base name for HTML help builder.
+#htmlhelp_basename = 'KeaAdministratorReferenceManualdoc'
+
+
+# -- Options for LaTeX output ------------------------------------------------
+
+latex_elements = {
+    # The paper size ('letterpaper' or 'a4paper').
+    #
+    # 'papersize': 'letterpaper',
+
+    # The font size ('10pt', '11pt' or '12pt').
+    #
+    # 'pointsize': '10pt',
+
+    # Additional stuff for the LaTeX preamble.
+    #
+    # 'preamble': '',
+
+    # Latex figure (float) alignment
+    #
+    # 'figure_align': 'htbp',
+}
+
+# Grouping the document tree into LaTeX files. List of tuples
+# (source start file, target name, title,
+#  author, documentclass [howto, manual, or own class]).
+latex_documents = [
+    (master_doc, 'kea-arm.tex', 'Kea Administrator Reference Manual Documentation', author, 'manual'),
+    (messages_doc, 'kea-messages.tex', 'Kea Messages Manual', author, 'manual'),
+]
+
+
+# -- Options for manual page output ------------------------------------------
+
+# One entry per manual page. List of tuples
+# (source start file, name, description, authors, manual section).
+man_pages = [
+    (master_doc, 'kea-arm', 'Kea Administrator Reference Manual Documentation', [author], 1),
+    ('man/kea-admin.8', 'kea-admin', 'Shell script for managing Kea databases', author, 8),
+    ('man/keactrl.8', 'keactrl', 'Shell script for managing Kea', author, 8),
+    ('man/kea-ctrl-agent.8', 'kea-ctrl-agent', 'Control Agent process in Kea', author, 8),
+    ('man/kea-dhcp4.8', 'kea-dhcp4', 'DHCPv4 server in Kea', author, 8),
+    ('man/kea-dhcp6.8', 'kea-dhcp6', 'DHCPv6 server in Kea', author, 8),
+    ('man/kea-dhcp-ddns.8', 'kea-dhcp-ddns', 'DHCP-DDNS process in Kea', author, 8),
+    ('man/kea-lfc.8', 'kea-lfc', 'Lease File Cleanup process in Kea', author, 8),
+    ('man/kea-netconf.8', 'kea-netconf', 'NETCONF agent for Kea environment', author, 8),
+    ('man/kea-shell.8', 'kea-shell', 'Text client for Control Agent process', author, 8),
+    ('man/perfdhcp.8', 'perfdhcp', 'DHCP benchmarking tool', author, 8),
+]
+
+
+# -- Extension configuration -------------------------------------------------
+
+# -- Options for todo extension ----------------------------------------------
+
+# If true, `todo` and `todoList` produce output, else they produce nothing.
+todo_include_todos = True
+
+
+# custom setup hook
+def setup(app):
+    app.add_stylesheet('kea.css')