Update to AVR32 Toolchain 3.4.2. Closes #19.
Merge pull request #20 from aery32/fix/gh-19

Resolves #19
Merge pull request #22 from denravonska/SharedPtrWithoutRTTI

Updated with a more correct patch from the official commit to the gcc tr...
Merge branch 'master' of github.com:jsnyder/avr32-toolchain