Revert "Run user-supplied connect handlers earlier. They see the path before the prefix has been stripped and they take precedence over static assets."

This reverts commit c3c86a1b304ca1f0dd9f32159f05a024923547f9.
Add WebApp.rawConnectHandlers that run before other meteor handlers
Update History for rawConnectHandlers
Run compress connect handler before raw connect handlers.
Merge branch 'raw-connect-handlers' into release-0.7.1