[NUCRDBMS-806] Move Oracle-specific mappings into primary packages.
Rename DB2-specific mapping to suit naming convention
[NUCRDBMS-806] Further rename
some javadocs
Handler for JDBC "OTHER" column types
[NUCRDBMS-807] Add mapping for UUID so we can have TypeConverter for all
normal cases, and have DB-specific "uuid" type when sql-type is
provided.
[NUCRDBMS-808] Patch to omit quotes from sequence when checking
existence
[NUCRDBMS-810] Patch for allowing date/time for SQLServer.
Merge commit '2b76f6f58267353b05602a6a83805fb59b47763c' into CITC

Conflicts:
	src/main/java/org/datanucleus/store/rdbms/adapter/MSSQLServerAdapter.java
	src/main/java/org/datanucleus/store/rdbms/adapter/PostgreSQLAdapter.java