Fixed typo
Added Lake Shore Dr to IRIS expy query
Minor tweaks

Include metered ramps in MHN ramps query; require more point matches for
geometry-only matching.
Add IRIS collector/distributors to ramps query
Added more ramps to IRIS query; tweaked near_distance settings
Tweak expy near_distance
Fixed generate_rail_pnt_files() to work with new itin batchin format
Account for possible space after itin "a"
Created MasterHighwayNetwork object

Encapsulates all original properties and methods
Updated to use MasterHighwayNetwork object

Accept MHN gdb path from tool GUI -- no more hardcoded paths!
submit_sas() no longer staticmethod
Turned off "currently updating xxx.gdb" warnings
Corrected hwyproj reference
Implemented MasterHighwayNetwork object
Merge branch 'nmpeterson-master'