[ar-unity] change AR camera  "camera direction" option to "CAMERA_BACK"
[ar-unity] edit OnTracking functions
[ar-unity] starting make task of trello (only comment OnTrackingLost function)
[ar-unity] save AR scene for previous commit
[ar-unity] create methods for show toast message
Merge remote-tracking branch 'origin/master'

* origin/master:
  [ar-android] Added initial proyect
Merge branch 'master' into local_develop

* master:
  [ar-android] Added initial proyect
[ar-unity] singleton created
[ar-unity] Create database, singleton and script to send query's to android. Test of database ok.
[ar-unity] Flow completed program, OnTrackingFound and OnTrackingLost methods ended, lack test on computer and Android device
[ar-unity] Test in computer failed, 2 bugs in start app. Renderig method created.
[ar-unity][ar-unity-eclipse] Modified QueryDatabase.cs, updated obb file.
[ar-unity-eclipse] Update file proyects, add sqlite library for Android.
[ar-unity-eclipse] Update assets folder in UnityTest.
Merge branch 'master' of https://github.com/f3r10/AR

Conflicts:
	ar-android/UnityTest/assets/bin/Data/Managed/Assembly-CSharp.dll
	ar-android/UnityTest/assets/bin/Data/Managed/Assembly-CSharp.dll.mdb
	ar-android/UnityTest/assets/bin/Data/PlayerConnectionConfigFile
	ar-android/UnityTest/assets/bin/Data/mainData
	ar-android/UnityTest/assets/bin/Data/settings.xml
	ar-android/UnityTest/assets/bin/Data/sharedassets0.assets