ccnl: use a second helper thread to handle e.g. timeouts
ccnl: use vtimer instead of rtc
ccnl: make theRelay use dynamic memory
ccnl: make relay start on RIOT startup
ccnl: use stacksize main for all threads
ccnl: prevent race condition on teardown
ccnl: adapt HOWTO to new features
ccnl: finish rebase
examples: changed stacksize to the recommended value
Merge pull request #1026 from mehlis/ccnl-helper-thread

ccnl: refactor ccn lite stack
Merge pull request #1450 from mehlis/ccp-stacksize-fix

examples: changed stacksize to the recommended value
doc: mainpage.txt fixed minor mistake
Merge pull request #1453 from backenklee/dpr

doc: mainpage.txt fixed minor mistake
native: clean up and clarify help

- reorder option details to mirror the order given in usage
- list option arguments in option details
- clarify option arguments
Merge pull request #1459 from LudwigOrtmann/native_help

native: clean up and clarify help
cpu: added support for the i.MX6
board: added support for the RIoTboard
pkg: added imx6_SDK-package

It contains slightly modified sources from the i.MX6-platform-SDK
pkg: added riotboard_SDK-package

It contains slightly modified sources from the i.MX6-platform-SDK