Update German translation
Merge pull request #107 from User99gmxat/master

Update German translation
Restore consistency in code formatting

* remove all trailing spaces
* some files used spaces instead of tabs like the rest of codebase - fixed
* make use of IDE "optimize import" feature
* make use of IDE "auto format" feature to fix some missing spaces here and there
Fix file name not matching class name
Clean up AdBlock class

* use interface instead of concrete class
* inline initialization of static variable
* remove redundant field and variable initialization
* replace single-character string with char
Clean up SettingsActivity and AdvancedSettingsActivity

* field that are overwritten from every class instance SHOULD NOT be "static"
* some field could and was converted to local variables
* add missing "private" qualifier here and there
* action bar may be null, added checking for this
* remove wrapping all method body in try-catch, moved it to method call
* removed redundant field and local variable initializations
* single-char string replaced with char
* redundant qualifiers ("SettingsActivity.this" etc.) was removed
Simple Travis CI setup: test if project will compile to APK successfully
Allow accepting any android-sdk-license in tests, remove unused sysimg
Add empty missing file ant.properties
Configure android lint
Fix "Error: No .class files were found in project ".", so none of the classfile based checks could be run."
Fix path to library
Fix lint errors and warnings in license activity layout
Fix typo
Fix lint error in settings activity layout
Fix all lint errors 'Error: "STRING" is translated here but not found in default locale [ExtraTranslation]'
Add windows version of setup-ant.sh file
Merge pull request #108 from kuc/code-cleanup

Code cleanup - part 1
removed useless layout params
Note on intent utils