new SVG icons from Tatiana. Also, very old iconsets removed.
rearranged blocks on palette
fixed encoding in license file
rewritten code related to svg/png file selection and loading in sdfRenderer
- images renderer will not query file system at all if image is in cache
- moved image cache-related code to separate inner class
made vera++ happy
Merge pull request #1244 from qreal/icons

new SVG icons from Tatiana. Also, very old iconsets removed.
updated icons, with vector gradient background
some fixes to icon background
- fixes for icon rendering speed and toolbar icons from trikDemos
- fixed compiler warning in interpreterEditorManager
restored license information
fixed BPMN build
Merge pull request #1251 from qreal/icons

Icons
renamed colorlisteditor
Merge pull request #1253 from qreal/rename

colorlisteditor renamed
Enum metamodel extended with friendly name property
Partially supported enum friendly names in the engine
Finished supporting enum friendly names in the engine;
Eliminated russian enum values usage from code.
Robots metamodel translated into english
Removed unneeded c++11 macro from editors