Merge pull request #78 from alexander-zimmermann/next

Change license. Move from GPL2 to GPL3
Merge pull request #79 from alexander-zimmermann/next

Delete unnecessary stack implementation
-G option endpoint separator now comma instead of colon
Merge pull request #81 from erzb5e6f65/fix_issue80

-G option endpoint separator now comma instead of colon
Moved endpoint parsing out of parse_flow_option
[Code style] Fix indentation
Substituted option assignment via Macros by pointers
Delete unnecessary macros
Moved endpoint parsing out of parse_trafgen_option - now called in parse_flow_option
[Code Style] Fix indentation
Removed dependency on current_flow_ids in parse_flow_option
Moved flow options w/o endpoint into parse_flow_option
Delete unecessary macro
Fix -F option (issue67)
Merge pull request #84 from alexander-zimmermann/next

Fix FreeBSD issues
debian: include man pages in package again
debian: update copyright, GPL license
Changed flow numbering in -F option (was: 0,1,2,... - now: 1,2,3,...)
Merge pull request #86 from erzb5e6f65/fix_issue67

Fix issue67
Revert "Changed flow numbering in -F option (was: 0,1,2,... - now: 1,2,3,...)"

Patch was a bad idea since it breaks on one hand the backward compatibility and
on the other hand it was not complete (the output was not changed
accordingly)