Fixed bug in disp.res when reading field header
Purged the logger module and renamed it to logging

- Cleaned up the headers and added absolute_import statements to
  affected modules in pyAirviro.other.
Added a post-checkout hook for git that cleans up .pyc/.pyo files
Simplified the statcode5 module and added a toais() function
Added an ais module to handle AIS data
Updated the Source model's ship ALOB properties
Made lookup service's callbacks take a variable number of values
Added three callbacks to the IHS lookup service
Added a ShipServiceMixin to the lookupservices
Added support for equality check to the Edb class
Made lookupservices's version keys be separated by commas
Added a ShortCircuitFetcher for the lookupservices
Added a BaseMonolithCSVParser for the lookupservices
Added a NSRS lookupservice
Merge branch 'topic/nsrs-service' into develop
Made lazy model fields not use evaluate on serialization
Small adjustment
solved conflict in edb.py