vagrant/precise32-standalone - Multiple updates:

 * Autocreate synced cache dirs
 * If running multiple times, don't reconfigure MySQL (b/c that breaks password in .my.cnf)
 * Set remote url
 * Don't use IncludeOptional on Apache 2.2
Merge pull request #55 from totten/master-vagrant2

vagrant/precise32-standalone - Multiple updates: