added parent pom
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
Updated the version of admob to 6.3.0 since that is the latest in the SDK.
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