OC-2675: CreateShareRemoteOperation in Library
Merge branch 'share_link_show_shared_files' into share_link__new_share
Added standard menu to select app used to send the link to share a file
OC-2678: Save the new Share resource in the Shares database
OC-2677: Update library
Adding custom dialog to let the user choose what app should received a shared link [WIP]
OC-2677: Add GetSharesForFile operation
OC-2771: Add pop-up message if the server doesn't support Share API and Share Link option is selected
OC-2772:Display a message if the user selects to share a file or folder that does not exist on the server
Merge branch 'share_link__new_share' into share_link__new_share_menu
Added filtered chooser dialog for activities that can receive a link
Merge pull request #384 from owncloud/share_link__new_share_menu

Added custom menu to show apps able to receive a link, filtering out ownCloud
Connected selection of app to send share link with creation of share resource, and link send to chosen app
Merge branch 'develop' into share_link__new_share
Merge branch 'develop' into share_link__new_share
OC-2823: Show toast message when CreateShareOperation failes
OC-2822: Add 'loading' progress dialog while the share link is being created
OC-2680: Shared icon is shown when file is shared. Update in DB file.isShareByLink
OC-2822: Loading progress dialog while share link is being created. Fix a problem when the app for sharing is not selected
OC-2832: Accesss to share link from PreviewMediaFragment