rm target/* on `rake clean`
fix derby remove_column not supporting multiple column_names (since 3.0)
fix DB2 remove_column not supporting multiple column_names (since 3.0)
fix MS-SQL remove_column not supporting multiple names (since 3.0)
fix oracle remove_column not supporting multiple column_names (since 3.0)
prepare for 1.2.8 due regression (still present double bind suble issue #322)
contains a few backports from master (which targets 1.3.0)
some more schema_dump tests + standalone schema tests for postgres
Conflicts:
	test/mysql_simple_test.rb
(yet again forgot that) some schema tests won't work on older AR versions
+ xml column tests for postgres
31 is the greatest DECIMAL precision allowed in Derby
cleanup H2 / HSQLDB adapter - HSQLDB should not know about H2
hookup HSQLDB java module + share a quoting helper with DB2
correct schema dump (jdbc detected sql types) for HSQLDB
correct schema dump (jdbc detected sql types) for H2
derby test cases tidying up + schema dump tests
derby (native) types review & cleanup, externalize AR patch-ing
Conflicts:
	lib/arjdbc/derby/adapter.rb
	lib/arjdbc/jdbc/adapter_java.jar
fix derby regression - not detecting scale == 0 decimals as integer columns
(1.3) backported decimal test updates
due a few more backports fill in History for 1.2.8 (and re-package .jar)