updatre iOS and android doc
mention developers need xcode 6 now
small fix
Add mention of contributor agreement to iOS and Android app developer pages
another fix
updatre iOS and android doc
small fix
Add mention of contributor agreement to iOS and Android app developer pages
another fix
Merge branch 'clientdev' of github.com:owncloud/documentation into clientdev

Conflicts:
	developer_manual/ios_library/index.rst
fix links
URL and markup corrections
Merge pull request #673 from owncloud/clientdev

Clientdev