#292565 follow-up by Jody Lynn: Remove ['destination'] hacks to get login redirection working again.

- Patch #210876 by deekayen: log enabling and disabling of modules, and wrote a handy assertLogMessage() function to assert watchdog messages.

- Patch #428800 by Gabor Hojtsy: convert the mission statement to a block so we have more flexibility to place it.

#459786 by DamZ: Remove all_fields from extended queries to prevent breaking under PostgreSQL and certain MySQL versions.

- Patch #367214 by alienbrain: added documentation for hook_node_build_alter and remove documentatin for hook_node_alter.