* Changed the Maven target to 1.8
* Performed a preliminary cleanup using IntelliJ's Code Analysis (Only Java 7/8 updates and a few other entries in the Error and Warnings categories)
* Updated the readme to change the required Java version
Ability to set log level, lots of debugging messages
Turn on debug logging during tests, simplified test cases for HTML ripper
Fix fusktator ripper, added test
Fixed gifyo, added test
Added tests for *all* rippers
Adding a few album-guessing URLs
UI shows already-downloaded files as 'completed' instead of 'errored'.
No more "Retrieving" lines in UI log window.
WARN log levels all around.
Mostly for #147
