Changes all.do to not use bash-specific constructs.
Changes all.do to not use bash-specific constructs.

Ubuntu uses /bin/sh -> /bin/dash since version 6.10. And, as ./do uses /bin/sh
in its shebang, we shouldn't rely on bash-specific constructs in any of our
*.do files.

https://wiki.ubuntu.com/DashAsBinSh/

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