Added new sounds needed for game

Added blackhole swirl texture and materials
Added Magnet, Hunter and Drop core powerups and script overhaul for powerups in general
Added Scenes and Cinematic changes for the game, win and death screens
Added a score
Changed the way enemy spawns work
Removed unused scripts

Assets/TimeLineSignals/GameWin.signal

@@ -0,0 +1,14 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!114 &11400000
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 0}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: d6fa2d92fc1b3f34da284357edf89c3b, type: 3}
+  m_Name: GameWin
+  m_EditorClassIdentifier: 

Assets/TimeLineSignals/GameWin.signal.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 03cbaafb505b035498ff7451f2224c69
+NativeFormatImporter:
+  externalObjects: {}
+  mainObjectFileID: 11400000
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/TimeLineSignals/StartGame.signal

@@ -0,0 +1,14 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!114 &11400000
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 0}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: d6fa2d92fc1b3f34da284357edf89c3b, type: 3}
+  m_Name: StartGame
+  m_EditorClassIdentifier: 

Assets/TimeLineSignals/StartGame.signal.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 03e87fc777828c74d947649898f6a65f
+NativeFormatImporter:
+  externalObjects: {}
+  mainObjectFileID: 11400000
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: