reset collectingRepaints in TouchController

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@28149 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Invalidate preview and timestamp in browse gui on file save

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@28150 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Removed warnings

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@28151 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
ask before delete

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@28152 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Human readable date

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@28154 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
No stylebar settings for axes

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@28157 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
NPE fix

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@28158 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e