LineString first pass
Implement isEqual, NSCopying for TFCoordinate.
LineString first pass
Vertices in polygon class.
Merge remote-tracking branch 'upstream/master'
Merge pull request #5 from jyaganeh/master

Start on TFFeature
LineString basics, LineString tests, Coordinate tests
Merge branch 'master' of github.com:poeks/terraformer-objc

Conflicts:
	Terraformer.xcodeproj/project.pbxproj
	Terraformer/TFLineString.h
	Terraformer/TFLineString.m
Merge branch 'master' of github.com:esripdx/terraformer-objc
tfpoint and envelope implementation
Merge pull request #6 from courtf/tfpoint

tfpoint and envelope implementation
Fix indexing mistake, add tests file.
YES and NO
Merge branch 'master' of github.com:esripdx/terraformer-objc

Conflicts:
	Terraformer.xcodeproj/project.pbxproj
Merge pull request #7 from poeks/master

TFLineString
Add tests to add vertex, remove vertex, close polygon.
Merge remote-tracking branch 'upstream/master'

Conflicts:
	Terraformer.xcodeproj/project.pbxproj
	Terraformer/TFCoordinate.m
	TerraformerTests/TerraformerTests.m
Fix code style.
Merge pull request #9 from mbcharbonneau/master

Add fundamentals of TFPolygon class.
Add TFGeometryCollection