Implemented getfilestore.
Fixed issue where FileNotFoundException was not being thrown.
Added path of file to error report when exception is thrown.
Added unit tests for getFileStore.
Added demo for getFileStore.
Minor modification (added braces)
Fixed formatting
Updated code to match coding standards.
Changed exception thrown in getFileStore. Modified the demo so that the results from the default provider are also printed.
Merge remote-tracking branch 'origin/getfilestore' into getfilestore
Fixed exception expected by testGetFileStore_whenFileDoesNotExist()
Merge branch 'getfilestore' (PR #3)

Conflicts resolved manually:
	glusterfs-java-filesystem/glusterfs-java-filesystem/src/test/java/com/peircean/glusterfs/GlusterFileSystemProviderTest.java