Fix references to XA states in comments, and remove unused import.
More final variables and @Override annotations.
Add generic types to List and Iterator.
Merge remote-tracking branch 'base-btm/master'
Only catch explicit "feature not supported" SQL exception for batch updates, and allow other SQL exceptions to continue.
Merge pull request #31 from rankinc/jdk6-sql-unsupported-feature

Jdk6 sql unsupported feature.  Let's try it and well find out how many misbehaving drivers there are.