RFduino: change power in adv packet to dBm value measured at 0m
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Merge pull request #60 from DeqingSun/Diff_version_CC2541

Diff version cc2541
Added checks for password
Merge pull request #56 from gbuesing/rfduino-advfix

RFduino: change power in adv packet to dBm value measured at 0m
Merge pull request #67 from g-ortuno/password-checks

Added checks for password
Merge pull request #65 from g-ortuno/empty-beacon

Made it possible to create a beacon with empty URI
Merged with master