Release 0.8.0

- Public groups - these are groups that anyone can join
without being explicitly granted access by others.

- Subscriptions - whether a private group someone has
granted you access to, or a public group, you must 
subscribe before you receive messages.

- Templates (Post formats) must be created on group
creation.  And that is the one always used by everyone.
This is to make templates less confusing. 

- H2 database conversion 

- Re-use jdbc prepared statements 

- Nimbus look and feel

- Numerious bug fixes

===============================================================
Release 0.7.5

- Fixed issue where an unbounded number of database connections
would be created.  This created a memory leak issue.

- Fixed issue where private messages without bodies caused the
previous message to be displayed.

- Remove extra Re:'s in the post tables. 

- Removed the ability to link group in private messages

- Remove printStackTraces spamming terminal.

- Added version to the settings pane. 

