Add Greek translation
Ukrainian localization has been added
Merge pull request #17 from AShuba/dev

Ukrainian localization has been added
Merge pull request #16 from Stonos/dev_greek_translation

Add Greek translation
Merge branches 'dev' and 'master' of https://github.com/gabrielemariotti/changeloglib into dev
LIB: fixed bullet string
Lib: Material layout for items
Demo: new navdrawer and new example with items with Material Layout
Update gradle to 2.1 and gradle-plugin to 0.13
Lib: update material item for v8
Updated demo
Demo: added dspec for debug layout specs
Demo: added dspec for debug layout specs
Merge branches 'dev' and 'master' of https://github.com/gabrielemariotti/changeloglib into dev
Updated IabHelper
Updated doc for 1.5.2
Prepared 1.5.2.