link lib_ettercap against etterlog and etterfilter

Conflicts:
	utils/CMakeLists.txt
Gthread not needed on libettercap
Added base64 encode and decode functions
Added library check for libmath and changed dissectors to call new base64 decoding module. Will remove old from ec_strings.c later
Fixed parameter to double pointer
Adding M_LIB to main library variable. Removing unused variables
Removing unused variable i
Removed unused variables
fingerprints updated
REmoving compilation warning and setting buffer to \0 before decoding is done. This avoids trash at the end of the buffer
Fixed many double headers inclusions
Fix typo