added possibilty to import openwsn stack as external module
fixes to fit the new silence flag
make script more verbose and deal with CRLF line endings
added a README with compatibility information
fixing bug: don't reapply patch
fixes downloading the archive with each ```make -B```
fixes naming conflict with uart.(c|h)
fix for those fancy case sensitiv filesystems
Merge pull request #508 from thomaseichinger/openwsn-pkg

support openwsn as a pkg
trickle: replace call to pow (base of 2)
Merge pull request #523 from mehlis/trickle

trickle: replace call to pow (base of 2)