Merge pull request #3 from forcedotcom/unstable

Unstable
Few bug updates to reduce chances of blocking calls, potential outdated refresh_token when rapidly logging in/out with the same user, and fix potential unhandled when attempting to update when a sqlite eror occurred.
Merge pull request #27 from smcnulty-sfdc/unstable

Small bug fixes
Some UI updates; adding progress dialogs for loading + syncing.
Merge pull request #28 from smcnulty-sfdc/unstable

Some UI updates; adding progress dialogs for loading + syncing.
Allow user generated hosts in config list to be deleted. Servers that come packaged with the app cannot be deleted.
Merge pull request #29 from smcnulty-sfdc/unstable

Update for server configurations in oauth launch screen...