1. Added a new Tcl procedure to the content repository's library, named cr_write_content, which properly writes content to the connection regardless of RDBMS and storage type. This simplified a bunch of stuff (which explains the removed files).
2. Fixed a lot of general comments issues regarding HTML vs. Plain/Text, attachments, etc.
1. Added a check that PG was initdb's with the collation order for characters that we expect.
2. Jon added a "sql/common" directory for the insert statements which load data for acs-references, so I added a new datamodel type "common" to the APM.
3. Created a new db API routine that returns true if a given db_type is compatible with the current RDBMS.
4. Added a workaround for a PL/pgSQL "execute" bug in acs-workflow (other cases had been fixed previously by others but this one was missed)