LRDOCS-402 - Updating existing screenshots
LRDOCS-402 - Documenting new features and adding new screenshots
proofread Bruno's iOS Sync docs, made a few wordsmithing edits
fixed mistake about where star icon appears in iOS client
added word 'icon'
Merge pull request #386 from jrao/LRDOCS-402

http://issues.liferay.com/browse/LRDOCS-402