GitLab

* fixed Python-API references

* moved Features section to ReadTheDocs

* fixed index of ReadTheDocs

* moved Experiments section to ReadTheDocs

* fixed capital letter

* fixed citing

* moved Parallel Learning section to ReadTheDocs

* fixed markdown

* fixed Python-API

* fixed link to Quick-Start

* fixed gpu docker README

* moved Installation Guide from wiki to ReadTheDocs

* removed references to wiki

* fixed capital letters in headings

* hotfixes

* fixed non-Unicode symbols and reference to Python API

* fixed citing references

* fixed links in .md files

* fixed links in .rst files

* store images locally in the repo

* fixed missed word

* fixed indent in Experiments.rst

* fixed 'Duplicate implicit target name' message which is successfully
resolved by adding anchors

* less verbose

* prevented maito: ref creation

* fixed indents

* fixed 404

* fixed 403

* fixed 301

* fixed fake anchors

* fixed file extentions

* fixed Sphinx warnings

* added StrikerRUS profile link to FAQ

* added henry0312 profile link to FAQ

* added python version badge

* fixed typos

* fixed links

* readthedocs doesn't support links with anchor out of box

* fixed table rendering at ReadTheDocs #776#issuecomment-319851551

* fixed table rendering at ReadTheDocs

* added link to Key-Events page

* fixed links

* hotfix

* fixed markdown

* Reorganize documentation references

* Fix R-package link name

* fixed links while viewing from wiki page

* fixed typos

* fixed repeated word and added markdown in FAQ.md

* fixed link to VS

* docs: add Advanced-Topic TOC

* docs: add title header to Advanced-Topic.md

* docs: convert development.md to development.rst

`pandoc --columns=200 -f markdown_github -t rst -o development.rst development.md`

* docs: update index.rst