Bugfix: uip_mss() isn't set until the connection is connected, so we can't set it during socket registration
Disable the ev-aducrf101mkxz compile tests as they currently break travis
Merge pull request #905 from adamdunkels/pr/tcp-socket-fix

Recent TCP socket change bugfix
Merge pull request #924 from adamdunkels/pr/travis-fix

Fix current travis issue
Updated cc2538-bsl submodule to version 1.1 (ff9182d). Most important changes include support for Python3, fixed a bug that would make synch fail on first try, added support for DTR and RTS pins driving Bootloader_enable and Reset pins, versioning system, setting of secondary IEEE address, general clean-up.