STYLE: remove debugging print out, fix doc category

Remove a qDebug call that is just informational about
the system settings for the markups.
Change the documentation category to Informatics.

Issue #2740



git-svn-id: http://svn.slicer.org/Slicer4/trunk@22340 3bd1e089-480b-0410-8dfb-8563597acbee
STYLE: Fix authorship of qSlicerScriptedFileWriter

git-svn-id: http://svn.slicer.org/Slicer4/trunk@22341 3bd1e089-480b-0410-8dfb-8563597acbee
COMP: Add macro "slicerMacroBuildLoadableModule"

Both macros "slicerMacroBuildQtModule" and "slicerMacroBuildLoadableModule"
can be used. At this point, no warning message is displayed if the
deprecated macro is used.

Fixes #2648

git-svn-id: http://svn.slicer.org/Slicer4/trunk@22342 3bd1e089-480b-0410-8dfb-8563597acbee