Updated README with details of building Mail-Calendar-Contact SDK. Fixes #9
Updated README, added TOC.
Updated .gitignore. Removed libs/ from exclusions.
Added mail-calendar-contact SDK jars for demo apps.
Fixed canGetFileFromLibAndPath test
Merge branch 'master' of https://github.com/OfficeDev/Office-365-SDK-for-Android
Merge branch 'master' of https://github.com/OfficeDev/Office-365-SDK-for-Android
update the asset management app to use the new files