Give useful information to the KPIs when reporting a custom error.

* If reporting a custom error type, use the action.title field as the reported error.

fixes #3584
Merge pull request #3585 from mozilla/issue_3584_kpi_error_title

Give useful information to the KPIs when reporting a custom error.

@kparlante gave me an r+, merging. Thanks @kparlante and @seanmonstar!
Fix the RP name showing up as undefined when a primary upgrades.

fixes #3621
Merge pull request #3622 from mozilla/issue_3621-idp-upgrade

Fix the RP name showing up as undefined when a primary upgrades.
document changes in train-2013.07.03
bump version in dev after branching train-2013.07.03