First pass at building xml bindings on python RH6
typo
Revert "Python does not require libxml2 and libxslt"

This reverts commit 1812553acd70d61cde6cf8cd2c8bfad77a81a196.
Revert "Fixed python includes and libs are not found"

This reverts commit 0f157c31fe4033cd5a19fe8a4c98f59988fd2117.
Revert "Enable libxml2 python"

This reverts commit 4132dbd278c7e4eee4caf957ba003b9d602c655e.
Merge branch 'pylibxml2' into update_paraview_4_0