[flash/html][xs]: minor tweaks to callbacks.js to get it to work on staging.
[flash/html][xs]: minor tweaks to callbacks.js to get it to work on staging.

openspending/openspendingjs-old,openspending/openspendingjs,openspending/openspendingjs-old,RCGTDev/openspendingjs,RCGTDev/openspendingjs,openspending/openspendingjs-old,openspending/openspendingjs,openspending/openspendingjs-old,RCGTDev/openspendingjs,openspending/openspendingjs,openspending/openspendingjs,RCGTDev/openspendingjs