Make the period for the uip-ds6 periodic task configurable
CC2538: Add CONF parameters to select boot loader backdoor pin and logic level.
Rename FLASH_CCA_CONF_BOOTLDR_BACKDOOR_PIN to FLASH_CCA_CONF_BOOTLDR_BACKDOOR_PORT_A_PIN.
Un-indent preprocessor directives.
Rename as suggested by g-oikonomou
Merge branch 'master' of git://github.com/contiki-os/contiki into ds6_period_configurable
Changes suggested by @bthebaudeau.
RPL MRHOF with ETX: bypass weighted moving average when setting a parent's link metric for the first time
CC2538: Add WATCHDOG_CONF_ENABLE to optionally disable the watchdog timer.
CC2538: Add FLASH_CONF_ORIGIN and FLASH_CONF_SIZE config parameters.
Merge branch 'master' of git://github.com/contiki-os/contiki into ds6_period_configurable
Merge pull request #560 from jdede/ds6_period_configurable

Make the period for the uip-ds6 periodic task configurable
Merge pull request #664 from simonduq/rpl-link-metric-init-fix

RPL MRHOF: bypass EWMA when setting a parent's link metric for the first time
Added missing license file referenced in z1-bsl-* scripts
Updated to CoAP Proposed Standard and removed draft versions.
Renamed erbium to er-coap to avoid confusion and have a meaningful directory name.
Used Uncrustify and fixed Travis build errors.
Added function for easy block1 usage.
Fixed blocksize calculation when REST_MAX_CHUNK_SIZE != 2^x.
Added example for block1 + separate + block2.
Enabled forcing CON packet for observer notifications each 20 packets
Updated Cooja simulations.