Updated JNLP for JRE autoupdate on platforms that support it.
Perpare for update to Java 8.
Added Java 1.7 check and End of Life warning during startup.
Fixed misspelled log message.
Adjusted version detection and logging.
Added some more logging statements to support debugging
Added log entries
Fixes issue #23.
Added link to Oracle download page to the JRE 7 warning message.
Merge pull request #22 from CourseScheduler/feature-java8

Prepare for Java 8