suppress warnings from libxml2

It appears libxml2 uses gtk-doc instead of doxygen and that
clang -Wdocumentation follows include files across libraries.
So our normal third party module warning suppression won't work.

Change-Id: Ic53045a570aa97c77352b5585dacd8cc47342895
Fix combination of java wrapping and testing off.

Change-Id: I451626004ef93bf1e42f393c6af8f87cf06dec57
Fix typos

Change-Id: I2edeb9e78066aa766e47ba37af92ddcbfe75a436
Merge topic 'fix-vtk-typos' into master

5ef33d3b Fix typos
Merge topic 'suppress_libxml2_doc_warnings' into master

f62f9fd0 suppress warnings from libxml2
Merge topic 'java_sans_testing' into master

26acf648 Fix combination of java wrapping and testing off.