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)
Changed flow numbering in -F option (was: 0,1,2,... - now: 1,2,3,...)
Merge pull request #86 from erzb5e6f65/fix_issue67

Fix issue67