Add sharing button to Viewer.
Improve sharing functionality.
Add permissions for external file read/write.
Update build.gradle to use Gradle version 0.5 and higher.
Update files for Merge.
Update files for Merge.
Update files for merge.
Merge branch 'master' into sharing-is-caring

Conflicts:
	PuffinFeeder/build/apk/PuffinFeeder-debug-unaligned.apk
	PuffinFeeder/build/incremental/dex/debug/inputs.data
	PuffinFeeder/build/incremental/mergeAssets/debug/merger.xml
	PuffinFeeder/build/incremental/mergeResources/debug/inputs.data
	PuffinFeeder/build/incremental/mergeResources/debug/merger.xml
	PuffinFeeder/build/incremental/mergeResources/debug/outputs.data
	PuffinFeeder/build/libs/PuffinFeeder-debug.ap_
	PuffinFeeder/build/libs/PuffinFeeder-debug.dex
	PuffinFeeder/build/manifests/debug/AndroidManifest.xml
Merge branch 'master' into sharing-is-caring

Conflicts:
	PuffinFeeder/build/source/r/debug/edu/alaska/gina/feeder/puffinfeeder/R.java
Don't commit the build directory.
Merge branch 'master' into sharing-is-caring

Conflicts:
	.gradle/1.6/taskArtifacts/fileHashes.bin
	.gradle/1.6/taskArtifacts/fileSnapshots.bin
	.gradle/1.6/taskArtifacts/outputFileStates.bin
	.gradle/1.6/taskArtifacts/taskArtifacts.bin
Merge branch 'master' into sharing-is-caring