Catch File Exists on makedirs to better support parallel runs
#567 Exclude the last remaining test until improved GL drivers can be used on Travis VMs
#784 bugfix: Missing conversion to radians
#803 compile fix: Initializing static variables in a header file is a GNU extension
Updated to Qt-5.3.0 and CGAL-4.4
freetype and harfbuzz build fixes, updated gettext, ffi, glib, harfbuzz
This was fixed during unstable refactoring. Fixes #585
Related to #737 - allow for nbsp (0xc2a0) characters on the cmd-line
Merge branch 'master' into issue350
Don't cache ListNode instances as CGAL can't render the resulting GeometryList instances directly. Also, ListNode instances are cheap to create