Added example for animation states (#129)

* Added example for animation states - a simple finite state machine for 2D character controller.

* Fixed flipping sprite after turn animation is finished.

Author: paweljarosz

animation/animation_states/all.texture_profiles

@@ -0,0 +1,18 @@
+path_settings {
+  path: "**"
+  profile: "Default"
+}
+profiles {
+  name: "Default"
+  platforms {
+    os: OS_ID_GENERIC
+    formats {
+      format: TEXTURE_FORMAT_RGBA
+      compression_level: BEST
+      compression_type: COMPRESSION_TYPE_DEFAULT
+    }
+    mipmaps: false
+    max_texture_size: 0
+    premultiply_alpha: true
+  }
+}

animation/animation_states/animation_states_collection.png

@@ -0,0 +1,20 @@
+key_trigger {
+  input: KEY_SPACE
+  action: "jump"
+}
+key_trigger {
+  input: KEY_C
+  action: "crouch"
+}
+key_trigger {
+  input: KEY_X
+  action: "attack"
+}
+key_trigger {
+  input: KEY_RIGHT
+  action: "right"
+}
+key_trigger {
+  input: KEY_LEFT
+  action: "left"
+}