commotiond v0.2.1

This release primarily fixes a large number of bugs and memory leaks.

Major issues resolved:

• Commotiond will no longer generated invalid BSSIDs in some circumstances.
• Added additional functions to libcommotion standard library for better memory control. (b538c96 and 9dbb189)
• Improved handling of DHCP options in OpenWRT scripts. (bb49b46 and b56e048)
• Numerous other bugfixes.

Authors (by commits):

• Josh King
• Dan Staples
• Grady Johnson
• Will Hawkins
• Jordan McCarthy