#309007 by moshe weitzman, agentrickard, and mcarbone: Add hook_node_access_records_alter() and hook_node_grants_alter() to allow complex interactions between two or more node access modules.

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

- Patch #394484 by Berdir and Crell: converted node module to the new database abstraction layer. Yay.

- Patch #394374 by cwgordon7, wretched sinner, et al: improved language of comment status. Usability improvement based on testing in Baltimore.

- Patch #351235 by dmitrig01, webchick, frando, moshe weitzman, et al: hook_page_alter.  Oh, behave.

- Patch #319356 by recidive: clean up hook_nodeapi_ fucntion signatures and documentation because of previous node API clean-ups.