Report scanning errors during compilation.


git-svn-id: https://fricas.svn.sourceforge.net/svnroot/fricas/trunk@1564 b0c55286-4f34-0410-a049-a1e7e93b0762
Better zero test during limit computation.


git-svn-id: https://fricas.svn.sourceforge.net/svnroot/fricas/trunk@1565 b0c55286-4f34-0410-a049-a1e7e93b0762
Change default style of 3D graphics.


git-svn-id: https://fricas.svn.sourceforge.net/svnroot/fricas/trunk@1566 b0c55286-4f34-0410-a049-a1e7e93b0762
 Turn on outline after graphic reset.


git-svn-id: https://fricas.svn.sourceforge.net/svnroot/fricas/trunk@1567 b0c55286-4f34-0410-a049-a1e7e93b0762
re-establish HyperDoc content from .htex sources
add releaseNotes and "Changes to Spad" into ug15
fix htexdoc