library property to etterlog and etterfilter executable
Merge pull request #585 from koeppea/linkerfix

Fix library property for etterfilter and etterlog
Removing double functions
Some more removals
Removing old and useless fake code
Fix typo
Correct indentation
simplified etterlog with ec_ctime instead of time
Removing duplicate SAFE_CALLOC
Without this file ettercap crash in ui_* code, because it is used in libettercap functions but not initalized
Revert "Removing old and useless fake code"

This reverts commit fd9586f1135c2cbc4e2448e6a008363fd0f71e9b.
Removed only some fake implementations, now the files should be coherent with each other
use dedicated global struct for options
check if regex option has been set
check regex option in packet mode
make redundant target_compile obsolete
make target filtering IPv6 capable
IPv6 capable target filtering for packet mode
remove obsolete prototype
update man page for etterlog target specficiation
Readding compile_target to etterlog