[giac] Changes for better handling of fractional power with complex arguments.
Other changes for fsolve inside integrals, and ti nspire support.

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@34512 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Fix for param. lines

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@34513 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Changing giac.js to the latest version in web/kickstart.xml

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@34514 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Fix for automatic sliders

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@34515 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Plane orthogonal to line shows integers in equation when possible

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@34516 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e