disable DPI detection for release

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@38162 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
update license (Dec 2014 version)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@38163 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
revert r38163

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@38164 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e