Put revert and update actions in the Actions module
Encapsulate browse_everything upload in a module
Merge pull request #431 from projecthydra/revert_and_update_actions

Put revert and update actions in the Actions module
Merge pull request #432 from projecthydra/encapsulate_browse_everything

Encapsulate browse_everything upload in a module
Eliminate double save and stop using exceptions for flow control
Merge pull request #433 from projecthydra/no_exception_flow_control

Eliminate double save and stop using exceptions for flow control