set paths so mvn deploy succeeds
+ add support for install and deploy sources for API 17, support v4, v7-gridlayout and v13 (Issue #72)
- fix file location for deploy play-licensing, zip-file and downoloader-library artifacts (Issue #78)
Update README.markdown

Latest version of services is 4. 
Create properties for the support library groupid, artifactid and version
README update for support library conflicts
Remove duplicate documentation
Merge pull request #85 from Allogy/update-admob-6.3.0

Updated the version of admob to 6.3.0 since that is the latest in the SDK
Merge pull request #79 from jloomis/master

set paths so mvn deploy succeeds
Merge pull request #83 from mataanin/patch-1

Update README.markdown
Merge pull request #81 from jameswald/support

Create properties for the support library groupid, artifactid and version
Merge pull request #82 from tprochazka/ISSUE_72_sources

Implementation for #72
version update and changelog and contributors
Updated the admob version number in the README.