fix the hack for finding librxtxSerial

Signed-off-by: Arnav Gupta <championswimmer@gmail.com>
Merge pull request #39 from championswimmer/master-fix-rxtx-hack

fix the hack for finding jSSC lib
Small change to the prototype sniffer in PdePreprocessor

Small change to the prototype sniffer in PdePreprocessor to make sure
that duplicates are removed. [bhagman]
Toolchain update for Windows & macosx

For Windows remove dependency on cygwin dlls and update the jre. For
macosx update the toolchain.
Add line numbering to IDE

Add line numbering to IDE and color update
Fixes for ConstantTypes & Print