[DF-3525] modified grassEditor panel
Merge branch 'framework_0_5_5_grass' of https://github.com/dava/dava.framework into framework_0_5_5_grass
[DF-3819] Now Sequent Selection could be enabled in settings. By default it is disabled.
Merge branch 'framework_0_5_5_grass' of https://github.com/dava/dava.framework into framework_0_5_5_grass