[ot-font] Start adding vertical support
[ot-font] Add metrics_accel_t
[ot-font] Handle missing vertical metrics tables
[ot-font] Minor
[ot-font] Add hb_ot_face_cmap_accelerator_t
[util] Fix ansi output when surface is empty
Hide bubble-sort!
Hide other bubble-sort
check-static-inits: check for static finalizers
check-static-inits: Filter out zero-length sections

When compiling with -O0, zero-sized constructors were showing up
and confusing the test.
Don't use tmp files in Makefile

Useful for code-coverage generation of the ragel-generated files
as they will now contain the correct .hh filename in them.
Clean ragel-generated headers in maintainercleanfiles
Create ragel-generated files in srcdir
[travis] Minor
[travis] Unbreak
[travis] First try to hookup coveralls.io code coverage tracking
[travis] Another try at coveralls.io
[test] Fixup test
[travis] Disable clang for now
[travis] Give coveralls a hand