Use GtkSearchEntry: Closes #6093
Folder entries in sidebar updated when folder deleted or renamed: Closes #6455
Update Daily Build PPA to use Vala 0.21.1
Make "No Event" icon not look like an error: Closes #4824
Show previews when importing from memory card: Closes #2959

Uses fallback code to load metadata through alternate means (i.e.
GVFS) when unable to load through GPhoto itself.
Don't use X-Ayatana-Appmenu-Show-Stubs=false: Closes #7293
Require GTK+ 3.6

GtkSearchEntry (#6093) requires GTK+ 3.6.
Avoid assert() with random slideshow transitions: Closes #7323

If no slideshow plugins are enabled, default to null transition
rather than assert.
Remember location of editing tool windows: Closes #7264

Locations are only stored in memory, not persisted.  Moving the
Shotwell window will reset the stored locations.

Also, development of this patch uncovered some subtle bugs in
StraightenTool, which are now fixed.
Resolve symlinked argv[0] path when determining run loc: Closes #7181
./configure flag to disable desktop-ffile-validate check: Closes #6820
Reduce CPU usage when importing w/ Camera developer: Closes #6812
Wrong date for Pentax K-5 AVI: Closes #7054

An improved date-parsing routine to help eliminate future issues
with oddball date formats in videos.
Crop tool improvements: display crop dimensions: Refs #6358

Crop tool displays its unscaled dimensions in the center of the
recticle when moving or resizing it.

This does not close the ticket, as a separate issue remains to
be implemented (cropping to specific pixel dimensions).
Use less memory when loading camera previews: Refs #2959

Reduces memory usage by loading images at scaled size when preview
is unavailable.
Copy and paste color adjustments: Closes #2517

Color adjustments now have a "clipboard" that can be copied to and
pasted from.
Add "modified media" saved search: Closes #4111

User can now add a "is media modified" criteria to a saved search.
Update extension of new "no-event" icon
Shotwell 0.15.0pr1
Bump version to 0.15.0pr1+trunk