Update to darktable-1.0.

changes since 0.9.3:
* new cameras supported
. Leica M9
. NX100/NX5/NX10/NX11
. Panasonic DMC-GX1
. Pentax K-r
. Canon Powershot S100
. Olympus XZ-1
. Olympus E-P3
. Sony DSLR A330
. Sony NEX-5N
. Canon EOS 1000D
. Canon EOS 600D
. Sony Alpha 390
. Fuji Finepix HS20EXR
* new and updated translations (we now have chinese!)
* new modules:
. shadows & highlights
. enhanced tone curve. now operates in a and b channels as well
* refactored modules:
. import
. snapshots (enable sliding separation line between before/after images)
. metadata
* new image cache
. faster concurrent access and insertion
. reduces needed memory
. more thumbnails stored on disk
. read embedded jpegs for creating thumbnails (faster folder import)
* increased general speed on sqlite3 (journaled, pagesize optimizations)
* reworked, modular ui
* keyboard shortcuts support - key accelerators (GSoC)
* unity launcher support (ubuntu)
* quicktool bar: exposure, presets and styles
* new color picker
* web gallery export now with next/prev buttons per image
* removed gconf: not used anymore, we have our own backend
* bugfixes

(jakllsch)