Set peripheral mode for the correct UART TX/RX pins
Fixed printout that used deprectated rpl_parent_t structure
Reverted commit below as the cc65 bug in question is fixed.

Rearranged some expressions to avoid triggering a cc65 bug. (reverse-merged from commit 7134da0915cf56c7eeff2cd22b6b3ddeff5e7e33)
Merge pull request #381 from oliverschmidt/master

Reverted commit below as the cc65 bug in question is fixed.
Merge pull request #380 from simonduq/fix-rpl-of0

Fixed printout that used deprectated rpl_parent_t structure
[core/net/mac] Removed invalid struct member u8 in PRINTADDR
Merge pull request #382 from ejoerns/pull-req/core/net

core/net/mac: Invalid struct member u8 in PRINTADDR
Merge pull request #365 from g-oikonomou/cc2538-uart-init-fix

Set peripheral mode for the correct CC2538 UART TX/RX pins
Merge branch 'master' of https://github.com/contiki-os/contiki
add ctags and sublime related files to gitignore
Merge branch 'master' into interference