* Improved headless support.
* Fixed a bug when opening image from the Serie Selection dialog.
* ROI Panel:
 - now display channel information (as intensity) in separate column
 - more reactive when dealing wit1hout many ROIs
 - fixed some refresh issues.
* Fixed a possible bug in the search bar refresh timer.
* Minors changes in XMLUtil.
Merge branch 'master' of https://Stephane-D@github.com/Icy-imaging/Icy-Kernel.git
fixed typo in ThreadUtil.