Removed unused resources. Replaced refresh icon with "back to top" icon

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# Initial commit
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# Changes to be committed:
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#	new file:   AndroidManifest.xml
#	new file:   ant.properties
#	new file:   build.xml
#	new file:   ext-lib/android-support-v4.jar
#	new file:   ext-lib/microba-1.0.0-SNAPSHOT.jar
#	new file:   ext-lib/yumi-0.0.1.jar
#	new file:   local.properties
#	new file:   pom.xml
#	new file:   proguard-project.txt
#	new file:   project.properties
#	new file:   res/drawable-hdpi/ic_launcher.png
#	new file:   res/drawable-ldpi/ic_launcher.png
#	new file:   res/drawable-mdpi/ic_launcher.png
#	new file:   res/drawable-xhdpi/ic_launcher.png
#	new file:   res/drawable/shading.png
#	new file:   res/drawable/waiting.xml
#	new file:   res/layout/main.xml
#	new file:   res/layout/photo.xml
#	new file:   res/values/strings.xml
#	new file:   src/main/java/net/ninjacat/pop500/MainActivity.java
#	new file:   src/main/java/net/ninjacat/pop500/PopularStreamAdapter.java
#	new file:   src/main/java/net/ninjacat/pop500/PxApp.java
#	new file:   src/main/java/net/ninjacat/pop500/api/Api500Px.java
#	new file:   src/main/java/net/ninjacat/pop500/api/Photo.java
#	new file:   src/main/java/net/ninjacat/pop500/api/PhotoCache.java
#	new file:   src/main/java/net/ninjacat/pop500/api/Queued.java
#	new file:   src/main/java/net/ninjacat/pop500/api/RequestCallback.java
#	new file:   src/main/java/net/ninjacat/pop500/api/StreamController.java
#	new file:   src/main/java/net/ninjacat/pop500/api/StreamUpdateListener.java
#	new file:   src/main/java/net/ninjacat/pop500/api/callbacks/OnBitmapListener.java
#	new file:   src/main/java/net/ninjacat/pop500/api/callbacks/OnJsonListener.java
#	new file:   src/main/java/net/ninjacat/pop500/api/images/ApiImageRetriever.java
#	new file:   src/main/java/net/ninjacat/pop500/api/images/CacheListener.java
#	new file:   src/main/java/net/ninjacat/pop500/api/images/ImageCache.java
#	new file:   src/main/java/net/ninjacat/pop500/api/images/ImageRetriever.java
#	new file:   src/main/java/net/ninjacat/pop500/api/images/InMemoryImageCache.java
#	new file:   src/main/java/net/ninjacat/pop500/api/images/LruImageCache.java
#	new file:   src/main/java/net/ninjacat/pop500/api/net/Access.java
#	new file:   src/main/java/net/ninjacat/pop500/api/net/BitmapDownloader.java
#	new file:   src/main/java/net/ninjacat/pop500/api/net/JsonDownloader.java
#	new file:   src/main/java/net/ninjacat/pop500/config/Injector.java
#	new file:   src/main/java/net/ninjacat/pop500/config/modules/ApiModule.java
#	new file:   src/main/java/net/ninjacat/pop500/config/modules/ImagesModule.java
#	new file:   src/main/java/net/ninjacat/pop500/config/modules/InjectionModule.java
#	new file:   src/main/java/net/ninjacat/pop500/config/modules/Pop500Module.java
#	new file:   src/main/java/net/ninjacat/pop500/config/providers/ExecutorServiceProvider.java
#	new file:   src/main/java/net/ninjacat/pop500/list/HolderCreator.java
#	new file:   src/main/java/net/ninjacat/pop500/list/ListViewUtils.java
#	new file:   src/main/java/net/ninjacat/pop500/list/UiHolder.java
#	new file:   src/main/java/net/ninjacat/pop500/logger/Logger.java
#
# Untracked files:
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#	.idea/
#	gen/
#	pop500.iml
#	target/
Merge branch 'master' of github.com:uaraven/Pop500