Finish 2.2.0
Updated Czech arrays.xml

Fixed from pull request #80 (thanks, Pavel!)
Update docs.

* fix typos
* break long lines
* use the relative URLs
* use code syntax in more places
Losslessly compress images.

Before: 215 KB (220.636 bytes)
After:  213 KB (218.620 bytes)
Translated romanian arrays.xml
Minor changes to the README
Merge branch 'XhmikosR-develop'
Merge pull request #81 from blchinezu/patch-1

Translated romanian arrays.xml
Updated Android-switch-backport reference
Added Greek localization
Added "Lint only" inspection profile
Fixed possible issues with locale arrays resources
Strings updates and fixes
Minor changes to Chinese languages string-array
Reverted merge-mess on README.
Tweak Greek translation.
Updated Russian translations
Updated Greek translations
Fixes to various locales string arrays
Updated project.property target API to 19