[Openicc] colord 1.2.2

[Richard Hughes]

Version 1.2.2
~~~~~~~~~~~~~
Released: 2014-08-18

New Features:
 - Add a helper to calculate the ΔE of two colors (Richard Hughes)
 - Bump the lcms2 dep to 2.6 (Richard Hughes)
 - Use the ColorHug sensor driver for the ColorHug2 hardware (Richard Hughes)

Bugfixes:
 - Actually parse the EDID for better duplicate detection (Richard Hughes)
 - Actually write a file when using cd_icc_save_default() (Richard Hughes)
 - Do not try to return a CdIcc instance for virtual profiles (Richard Hughes)
 - Use __attribute__(cleanup) to simplify memory cleanup (Richard Hughes)

Richard