Fixed Makefile problems that would fail when trying to build.

Added check entry, using the standard way of checking FLASCC/FLEX as in SDK samples;
Made it works when calling asc2.jar;
Changed the way to reference .abc objects;
Added install entry to copy resources to FLASCC path;
install fix when copying files on osx and update to drop9.
Merge pull request #1 from fungos/master

Fix Makefile so it will work and added an install option.