update minimum compiler to gcc 4.8
update minimum compiler to gcc 4.8, take 2
allow building of packages
ignore package related files
implements announcement of waypoints, closes #584
Adapt test cases to output of way points

- waypoints are now announced in the route guidance
- implements #584
Merge pull request #1150 from Project-OSRM/feature/announce_via_locations

implements announcement of waypoints, closes #584
rename contra_flow to travel_mode, use unsigned char
add failing tests for travel mode
first cut at porting travel mode, some tests fail
most tests passing
use 4 bits for travel mode
improve tests for travel mode
fixes
more tests passing
fix initialization order to avoid compiler warning