implemented roughly
refactor statusbar
introduce ColorButton instead of ToolbarButton. ToolbarButton becomes obsolete.
refactored ToolType enum, ToolType now contains resource information for each type
refactor for ToolType enum. fix imports for tests
change color button type to imagebutton in baseintegrationtest class
fixed test
Merge branch 'master' into 8.72_switch_move_tool
merge master and fixed errors
clean up setTool()
fix ToolbarTests.java + add 1 test
removed unused ColorButton Constructor
remove unused functions + add test
renamed toolbar classes to statusbar for consistent naming. Introduce StatusbarIntegrationTest
fixed private access difficulties because of field renaming: mToolbar->mStatusbar
fixed another test
clean up StatusbarImplementation#onTouch()
show transparency in color button
removed unnecessary test
fixed pipette tool