Merge pull request #71 from tulak/master

Fix _ct.scope_with_order when no order_column is specified
v4.2.7
try setting the table name before acts_as_tree
addming missing comma in README
Merge pull request #74 from axlekb/fix-readme-code

adding missing comma in README
partial cherry-pick of 060f109ecbbf14ceb54348b3731a97963eb89288
Add more warning messages about where to put acts_as_tree.
Merge remote-tracking branch 'origin/master' into issues73
Merge branch 'pull75'
add rescue if db is not available
shenanegans
even more horrible
even more more horrible
even more more more horrible
even more more more more horrible
fix for issue 78
fixed: parent argument receives object, not name
Merge pull request #83 from cxz/readme

fixed: parent argument receives object, not name
pull in foreigner to prove that FKs are handled properly
don't delete if it isn't there