Modify to support ARC

Also change some things to fit my personal coding style
Fix bug with smooth curves
make a proper Xcode project.
re-make path+trafo parsers.
(make clean ; make)
uncrustify & doxygen.
convert SenTest to a (sadly failing) XCTest.
README links
prep for external compiler settings.
detab, don't indent generated stuff.
README, gitignore
merge in e5feab1e4
ARC fixes, warnings--, plain vanilla alloc.
fix failing unit test.
copyright 2014
ragel link
cleanup, indent, naming conventions, unit test fixed.