Add ExoMedia and remove ExoPlayer

- Remove ExoPlayer files
- Added ExoMedia library

app/build.gradle

@@ -42,10 +42,10 @@ dependencies {
     compile 'de.hdodenhof:circleimageview:2.0.0'
     compile 'com.nostra13.universalimageloader:universal-image-loader:1.9.5'
     compile 'com.github.nirhart:parallaxscroll:1.0'
-    compile 'com.google.android.exoplayer:exoplayer:r1.5.5'
     compile 'com.google.code.gson:gson:2.4'
     compile 'com.nononsenseapps:filepicker:3.0.0'
     compile 'ch.acra:acra:4.9.0'
+    compile 'com.devbrackets.android:exomedia:3.1.1'
     testCompile 'junit:junit:4.12'
     testCompile 'org.mockito:mockito-core:1.10.19'
     testCompile 'org.json:json:20160810'