Extra obstacle prefabs

Several different prefabs for generic obstacle layouts. Other changes
include a small change to the camera and plane movement changes.
Changes to prefabs

Updated the prefabs of the obstacles.
Merge remote-tracking branch 'origin/development' into development

Conflicts:
	SparkleLeaf/Assets/SparkleLeaf.unity
	SparkleLeaf/Library/AssetServerCacheV3
	SparkleLeaf/Library/CurrentLayout.dwlt
	SparkleLeaf/Library/EditorUserBuildSettings.asset
	SparkleLeaf/Library/InspectorExpandedItems.asset
	SparkleLeaf/Library/ScriptAssemblies/Assembly-CSharp.dll
	SparkleLeaf/Library/ScriptAssemblies/Assembly-CSharp.dll.mdb
	SparkleLeaf/Library/ScriptMapper
	SparkleLeaf/Library/assetDatabase3
	SparkleLeaf/Library/expandedItems
	SparkleLeaf/Library/guidmapper
	SparkleLeaf/Library/metadata/30/30508b9bf5616e044b49c316692b16d4
	SparkleLeaf/Library/metadata/6b/6b9b38ecda70bbe4ea33fe18763edd6a
	SparkleLeaf/Library/metadata/be/be40ae5a774ec134a8c30ecb5411e49d