Merge pull request #63 from Macjon/master

Fixed CoreText font error
Updated test files.
Added new constructor on TagsCollection.
Updated Vehicle class with serialization possibilities.
Fixed vehicle class constructor.
Updated to v4.0.2. Updated release notes.
Updated nuspec.
Updated vehicle profile registration.
Updated CHPreProcessor.
Updated CHPreProcessor.
Added new overloads in CHEdgeGraphOsmStreamTarget.
Added pre-processing percentage parameter.
Added a HugeHashSet and replaced the regular HashSet in the graph stream target.
Small fix to IsRestriction() in OsmRoutingInterpreter.
Added ExpandWith to GeoCoordinateBox.
Optimized the routing network loading step for the live graph. Improved memory usage during preprocessing.
Fixed routing issue & corresponding failing tests.
Memory optimizations and added performance test for live-edge.
Added a generic pre-processor interface. Added live preprocessor.
Finished initial version of live-edge-preprocessor.