GUI update
merge
GUI border style
Removed dead code
GUI Clean up
Merge pull request #337 from miniME89/gui

Gui
Initial door implementation
Fixed a lighting bug that could result in overly long recalculation times
Fixed a lighting bug that caused lighting not to be recalculated properly when a door was opened/closed
Added a "replacementAllowed" block setting to represent whether the block can be replaced by block placement
Added a basic BlockRegionComponent for multi-block entities.
gradle: renamed perfTest -> dev
checkstyle: AvoidStarImport

allowStaticMemberImports=true
Checkstyle: More check rules
Extended GUI functionality
Renaming
Removed whitespaces and abstraction of UIDisplayWindow
Checkstyle rules: Added comments

New comments
New rule: Indentation
Removed rule: IllegalImport
UIWindows are scrollable
Renaming / Moving
Checkstyle: Suppression and severity

Suppression for protobuf
Changed severity to warning for some checks.
Fix for calculating scroll container height
Fix for disable mouse click event out of cropped areas
Merge pull request #339 from miniME89/gui

Gui