Add in_directory helper, to execute commands within a particular path.
Add in_directory helper, to execute commands within a particular path.

This is similar to Fabric's with cd(path) idiom.

ianks/mina,dcalixto/mina,mfinelli/mina,flowerett/mina,openaustralia/mina,flowerett/mina,scalp42/mina,estum/mina,Zhomart/mina,cyberwolfru/mina,stereodenis/mina,allantatter/mina,openaustralia/mina,mfinelli/mina,whhx/mina,scalp42/mina,dcalixto/mina,estum/mina,cyberwolfru/mina,allantatter/mina,ianks/mina,Zhomart/mina,whhx/mina