Fixed #1017
Fixed #1006
Small refactoring for scene grids
Fixed grid initialization in 2D model
GridParemeters moved to namespace
Temp fix for untranslatable 'Show grid'
Restored spaces in 2d model .ui file
Merge branch 'master' of github.com:qreal/qreal into robots

Conflicts:
	qrgui/view/editorViewScene.h
Added forgotten includes
Fixed #1022
Merge pull request #1025 from dvvrd/fix1022

Fixed #1022
Merge pull request #1021 from dvvrd/robots

Fixed #1006
Fixed #1023
Merge branch 'master' of github.com:qreal/qreal into fix1017
Removed reference ownership comments
Merge pull request #1020 from dvvrd/fix1017

Fixed #1017
Merge pull request #1026 from dvvrd/fix1023

Fixed #1023
fixed #1018
Merge pull request #1029 from qreal/#1018

fixed #1018
Fixed #1030