style fixes
- improved installer scripts for QReal:Robots
- added examples from Filippov's book (from https://github.com/qreal/models)
made other installers include common component
minor updates to documentation
updates for "Interface" part, except 2D model
more style fixes
updated documentation for blocks (without images yet)
Descripton of supported functions, some other corrections.
Version and changelog
Screenshots for documentation
Merge pull request #1052 from qreal/version

Version and changelog
corrections after review
Merge pull request #1045 from qreal/installer

Installer
Merge pull request #1053 from qreal/robots-docs

Updated documentation for QReal:Robots
Merge pull request #1044 from Ashatta/links

Новая версия линков
Merge branch 'master' of https://github.com/qreal/qreal into links2

Conflicts:
	qrgui/umllib/private/lineHandler.cpp
	qrgui/umllib/private/lineHandler.h
	qrgui/umllib/private/squareLine.h
	qrgui/umllib/umllib.pri