Fix naming in OAuth2. Make refresh() synchronized.
Fix naming in OAuth2.
Make refresh() synchronized.

foam-framework/foam,osric-the-knight/foam,jlhughes/foam,jlhughes/foam,mdittmer/foam,jacksonic/foam,foam-framework/foam,osric-the-knight/foam,mdittmer/foam,mdittmer/foam,jlhughes/foam,osric-the-knight/foam,jacksonic/foam,jacksonic/foam,jacksonic/foam,shepheb/foam,foam-framework/foam,foam-framework/foam,jlhughes/foam,shepheb/foam,shepheb/foam,osric-the-knight/foam,mdittmer/foam,foam-framework/foam