another round of changes, damn it was hard to figure out why news wasn't

another round of changes, damn it was hard to figure out why news wasn't
appearing properly - I think we still have that problem but it's semi
rare.
- Also fixed netsplit problems, forgot a next line.
- don't run all funky commands in on_join if netsplit is enabled.
- other tiny things not worth mentioning.

git-svn-id: https://svn.code.sf.net/p/infobot/code/trunk/blootbot@439 c11ca15a-4712-0410-83d8-924469b57eb5