-Fix UDP listening select semantics to allow clean exit again
-Alter lifespan of sitetab object in xcatd to avoid attempting to persist across forks (needed for PostgreSQL)
-Allow for possible quotation marks in DBI return data that happen in certain interactions with PostgreSQL
-Cleanup a few unfinished statements and unclosed tables, which might have adversely impacted DBI behavior
git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@302 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd