Error handling in Touch

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27870 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Do not show error on start

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27871 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Stylebugfix Sliderdialog

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27872 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
GeoGebraCASIntegrationTest:

Added test case for Expand simulating only part of the input being selected,
ignored test case for ticket #3579 for we don't want to change anything here anytime soon.

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27873 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e