Update to Unity 2017.2 (OrderOfThePorcupine#131)

* Update to Unity 2017.2

* Changes build version to use 2017.2 for testing purposes.

* Attempting to test with later version of Unity

* Fixing URLs

* Corrected download link for windows support

* Correct failing of code.

* Adding support for unit tests by default, improving ability to change version for unit testing.

* Simplifying verification of unit tests.

* Removed the set -x to try and improve.

* Reverting changes as it seems to kill CI.

* Removing unneeded whitespace

* Remove all whitespace at the end of file.

* Updating readme.

.travis.yml

@@ -1,7 +1,7 @@
 # adapted from: https://github.com/JonathanPorta/ci-build
 
 # Using objective-c since windows build images are not available
-# The chmod-ing may be uneccesary 
+# The chmod-ing may be unnecessary 
 language: objective-c
 osx_image: xcode6.4
 rvm:
@@ -31,4 +31,4 @@ deploy:
   key:
     secure: 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
   on:
-    condition: ($TRAVIS_EVENT_TYPE = cron) && ($JOB = unit-test)
+    condition: ($TRAVIS_EVENT_TYPE = cron) && ($JOB = unit-test)

ProjectSettings/DynamicsManager.asset

@@ -3,13 +3,18 @@
 --- !u!55 &1
 PhysicsManager:
   m_ObjectHideFlags: 0
-  serializedVersion: 2
-  m_Gravity: {x: 0, y: -9.81000042, z: 0}
+  serializedVersion: 3
+  m_Gravity: {x: 0, y: -9.81, z: 0}
   m_DefaultMaterial: {fileID: 0}
   m_BounceThreshold: 2
-  m_SleepThreshold: .00499999989
-  m_DefaultContactOffset: .00999999978
-  m_SolverIterationCount: 6
+  m_SleepThreshold: 0.005
+  m_DefaultContactOffset: 0.01
+  m_DefaultSolverIterations: 6
+  m_DefaultSolverVelocityIterations: 1
+  m_QueriesHitBackfaces: 0
   m_QueriesHitTriggers: 1
   m_EnableAdaptiveForce: 0
+  m_EnablePCM: 1
   m_LayerCollisionMatrix: ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+  m_AutoSimulation: 1
+  m_AutoSyncTransforms: 1

ProjectSettings/Physics2DSettings.asset

@@ -3,23 +3,35 @@
 --- !u!19 &1
 Physics2DSettings:
   m_ObjectHideFlags: 0
-  serializedVersion: 2
-  m_Gravity: {x: 0, y: -9.81000042}
+  serializedVersion: 3
+  m_Gravity: {x: 0, y: -9.81}
   m_DefaultMaterial: {fileID: 0}
   m_VelocityIterations: 8
   m_PositionIterations: 3
   m_VelocityThreshold: 1
-  m_MaxLinearCorrection: .200000003
+  m_MaxLinearCorrection: 0.2
   m_MaxAngularCorrection: 8
   m_MaxTranslationSpeed: 100
   m_MaxRotationSpeed: 360
-  m_MinPenetrationForPenalty: .00999999978
-  m_BaumgarteScale: .200000003
-  m_BaumgarteTimeOfImpactScale: .75
-  m_TimeToSleep: .5
-  m_LinearSleepTolerance: .00999999978
+  m_BaumgarteScale: 0.2
+  m_BaumgarteTimeOfImpactScale: 0.75
+  m_TimeToSleep: 0.5
+  m_LinearSleepTolerance: 0.01
   m_AngularSleepTolerance: 2
+  m_DefaultContactOffset: 0.01
+  m_AutoSimulation: 1
   m_QueriesHitTriggers: 1
   m_QueriesStartInColliders: 1
   m_ChangeStopsCallbacks: 0
+  m_CallbacksOnDisable: 1
+  m_AutoSyncTransforms: 1
+  m_AlwaysShowColliders: 0
+  m_ShowColliderSleep: 1
+  m_ShowColliderContacts: 0
+  m_ShowColliderAABB: 0
+  m_ContactArrowScale: 0.2
+  m_ColliderAwakeColor: {r: 0.5686275, g: 0.95686275, b: 0.54509807, a: 0.7529412}
+  m_ColliderAsleepColor: {r: 0.5686275, g: 0.95686275, b: 0.54509807, a: 0.36078432}
+  m_ColliderContactColor: {r: 1, g: 0, b: 1, a: 0.6862745}
+  m_ColliderAABBColor: {r: 1, g: 1, b: 0, a: 0.2509804}
   m_LayerCollisionMatrix: ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff