Revert "Added beta tag"

This reverts commit 4cbbb0f6308cff4d88c7015291004b1d0de3f3cd.
convert latin1 encoded data from MaxMind before saving
trade downloads data implemented without using the postgres copy gem
removed obsolete postgres-copy gem
Added constrained root for trade.cites.org domain to point to cites_trade
Updated title, and links on trade database home
Added link to CITES
Merge branch 'hotfix-0.6.11'