update rspec matchers to use expect()
change simplified graph loader to return a list of coordinates
use explicit NodeID type in SharedDataFacade
use range based for w/ integer ranges where possible
fix unpacking of local path
make sure all node-based edges are serialized in forward fashion
fix integer range to have correct end
Merge pull request #1109 from DennisOSRM/fix/update_rspec_style

update rspec matchers to use expect()
Fix missing include in BinaryHeap
Add test for BinaryHeap
Fix typo in RangeTable
Add test for RangeTable
Fix small errors in StaticGraph
Added test for StaticGraph
Make fstream non-static and StaticRTree thread-specific instead
Make tuning constants template agruments in StaticRTree
Change StaticRTree serialization constructor to static function

Since the constructor does not satisfy the requirements for a
constructor (the RTree is not properly initialized) make it a
static function instead.
Fix GetMinDistance
Add test for StaticRTree
Consider points on the edge of the rectangle as inside