added check for fl_decode_uri in FL/filename.H

Conflicts:
	.travis.yml
Merge pull request #7 from rubicks/master

added check for fl_decode_uri in FL/filename.H
sped up colorize
adding .travis.yml, commenting some self-assignments
added check for fl_decode_uri in FL/filename.H
adding unit test for fltk version
added to rendera_LDFLAGS: fltk-config --ldflags
added check for libdl
fltk configure --with-shared
travis install libfontconfig1-dev
travis install libxrender
adding a bunch of libs for fltk
fltk-config --cxxflags
travis removing stock libfltk stuff