Merged in cbl_master/plugfest36 (pull request #23)

Update cbl_smani/plugfest36
Fix for dtcp playback.
Merged in cbl_smani/plugfest36 (pull request #24)

dtcp playback fix in Rygel DMR side by supporting dtcp content-type.
Fix for DLNA Link Protection requirement 7.6.4.3.3.9

If both a cleartext byte seek and resource (Range) byteseek are
 requested, we're required to return error 406 (Not Acceptable)
Fix for DLNA Link Protection requirement 7.6.4.3.3.9

If both a cleartext byte seek and resource (Range) byteseek are
 requested, we're required to return error 406 (Not Acceptable)

Note: Issue was found during Parthi's testing of newest LPTT
      and reviewed prior to commit.
Merge branch 'cbl_master/plugfest36' of bitbucket.org:cvp2ri/rygel into cbl_master/plugfest36
engine: Add large files (> 4GB) streaming support.

https://bugzilla.gnome.org/show_bug.cgi?id=709551
Updated Latvian translation
renderer: If media is not seekable, return 710

https://bugzilla.gnome.org/show_bug.cgi?id=710377
renderer: Refactor ABS_TIME/REL_TIME seeking

Re-unify the two codepaths and just add player position to the seek target
when we're in REL_TIME mode.
build: Add some autogen shortcuts
server: Use XML namespace instead of a string
build: Drop strict vala because of deprecations
Updated Russian translation
Updated Slovenian translation
server: Fix message

https://bugzilla.gnome.org/show_bug.cgi?id=710781
Fix 7.2.12.2: Removed unused state variable from X_MS_MediaReceiverRegistrar1 service xml
Updated German translation
Bump glib requirement because of 9398caa6
Fix 7.2.10.1,2,3,5 - RUIHSRC : Format X_DLNADOC tag according to DLNA Spec 7.3.2.10.2