Updated viewport
Improved filter-by-tag gallery functionality.
Added TagPanel and I18N tag related strings.
Fixed some bugs with several widgets.
Added final modifier to missing fields.
Added "final" modifier to some fields in editor-android project.
Merge pull request #273 from anserran/fit

Updated viewport in engine
Removed final modifier in catch sentence.
Merge pull request #284 from RotaruDan/tagsPanel

Improved filter by tag gallery functionality.