Update to script-exec 0.2.2
Update to pallet-fsmop 0.2.2
Load plugins on converge or lift

Load plugins and call the plugin init function if it exists.
Adjust visibility of core api functions

The phase-args and target-phase functions are useful when adding
target-action-plan methods.
Fix hostname in script error logging
Don't wrap FileNotFoundException in read-project

This allows callers to catch the FileNotFoundException and not have to introspect
an ex-info.