Merge branch 'master' into v1.1
Trying multithreading for rendering
Updating windows with idle_add

Instead of using multiple threads (producing random crashed without
sync) we now use the idle_add-possibility of gobject to integrate the
updated into the event loop of gtk.
Merge branch 'master' into v1.1
Merge branch 'master' into v1.1
Version number
Multiple selection; first shot
Fixed version number conflict. Setting version number correctly in release branch only
Merge branch 'release-1.0' into develop
Cleaning from failed merge
FIX: observers might not be linked to LUT of plane widget
Merge branch 'release-1.0' into develop
FIX: No slider increment found for images with value range 0-1
Change: replaced HScrollbar by HScale, due to new look in recent versions of PyGTK, Change: comments allowed in markers-files.
Changed height of scales

load_markers_to_dict now uses load_markers (less code repetition
)
Tests for markers_io.load_markers
UX-improvements

NEW: Saving and loading of ROIs
FIX: Loading and writing markers from "Tab" possible - towards unified UX
Merge branch 'develop' (early part, until deletion of debian-stuff) into debian
Merge branch 'develop' (early part) into debian

Ignore changeset where debian directory was deleted
Merge branch 'develop' into debian

Unwanted commit was already ignored
Version number changed