tests for disabled buttons, drawable addes
DisableManager added, enable/disable buttons
refactored disable button test
brushpicker and colorchooser dialogs refactor to singletons
removed unnecessary test
fixed tests
resolved conflict in BaseTool.java
throw IllegalStateException if ColorPickerDialog and BrushPickerDialog are not initialized
removed unnecessary comments
make singletons final
Merge pull request #44 from Catrobat/I40_color_picker_force_close

I40 color picker force close
Implementation: @galstc05 [sg]
Acceptance: @michaelmuenzer [mm]
removed all traces of magic from paintroid
removed magic icons
Added fill tool stubs and command integration
Tool is temporarily added with the icon of the old magic tool until we get newer resources
Merge pull request #45 from Catrobat/8.76_delete_magic

8.76 delete magic
Implementation: @galstc05 [sg]
Acceptance: @michaelmuenzer [mm]
Merge branch 'master' into 8.02P_Fill_bucket_tool

Conflicts:
	Paintroid/res/drawable-hdpi/icon_menu_fill.png
	Paintroid/res/drawable-mdpi/icon_menu_fill.png
	Paintroid/res/drawable-xhdpi/icon_menu_fill.png
	Paintroid/res/values-de/string.xml
	Paintroid/src/org/catrobat/paintroid/Utils.java
	Paintroid/src/org/catrobat/paintroid/dialog/DialogHelp.java
	Paintroid/src/org/catrobat/paintroid/tools/Tool.java
	Paintroid/src/org/catrobat/paintroid/tools/implementation/BaseTool.java
	Paintroid/src/org/catrobat/paintroid/ui/button/ToolButtonAdapter.java
Implemented FloodFill for FillTool and FillCommand
tried first one
Added colour chooser to fill-tool
Included similarity function from old magic tool for future use