refactored, combining serval-sign and serval-verify into one program, v3.0
updated debian packaging for version 3.0
fix Makefiles
removed extraneous CFLAGS
added InstallDev section to OpenWRT Makefile
changed serval-sign parameters
added header file to Makefile install target
changed function names for signing and verifying
minor fix for buffer sizing
fixed signature returning
check msg_len
forgot to include assert.h
Merge pull request #10 from opentechinstitute/refactor

Refactoring