Change history update

CHANGES.md

+## Known issues ##
+
+- changing the coordinate reference system to one that is obviously not suited for the data might cause system crashes
+
 ## Change History ##
 
-### December 2016 to May 2017 ###
+### June 2017
+- improved QGIS-TimeSeriesViewer integration:
+    -  synchronizes map extent or map center, either from QGIS to TSV or the other direction
+    -  one (1) vector layers that is opened in QGIS can be displayed on top of TSV maps. Renderstyle is the same as in QGIS.
+- fixed several bugs
+
+
+## May 2017
 - crosshairs
+- temporal pixel profiles with sensor-specific scaling and visualization
+
+### December 2016###
 - handling of VRT without memory leakage (VRT_SHARED_SOURCE = 0)
-- temporal pixel profiles with sensor-specific scaling functions
 - test data (Landsat + RapidEye)
 - refactoring of GUI and class names
 
-
 ### June 2015 ###
+- extraction of image chips for AOI selected in QGIS
+- gdal based IO