Added support for sharing files:
- Long press on file list
- Add option on ImageViewer
changed name of oc_framework to android-library in setup.md and pom.xml
updated Android API in pom.xml
OC-2731: update library reference
OC-2732: Create 'unshare' option menu for a shared file/folder
OC-2733: Add UnshareLink Operation
OC-2734: Update Database for UnshareLink operation
OC-2735: Refresh unshare files in list
Changes from comments in PR #385
Changes from comments in PR #385
Merge branch 'share_link_show_shared_files' into share_link__unshare_file
Merge branch 'share_link__new_share' into share_link__unshare_file
Update library reference
OC-2834: Access to unshare link from FileDetailFragment
OC-2834: Access to unshare link from PreviewMediaFragment
Update Library reference
OC-2833: Access to unshare link from PreviewImageFragment
Merge branch 'share_link__new_share' into share_link__unshare_file
Update library reference
OC-2738: Update library reference
OC-2859: Fix bug: Unshare option shouldn't appear in non-shared files/folders