Merge pull request #1222 from dvvrd/robots

QReal:Robots bugfixes for some teachers
fixed compilation on Windows
Merge branch 'master' of https://github.com/qreal/qreal
corrent selection of node elemnts on creation. fixed #1212.
Merge pull request #1223 from qreal/bug-1212

Corrent selection of diagram elements on creation. fixed #1212
Added timeline reserved variable