created a torquebox exec command and fix [TORQUE-887]

removed an extraneous ../ from torquebox exec command

moved tmpdir creation so less happens before it's demise

reworked the way gems are packaged into an archive for [TORQUE-887]

fixed freeze task to work like package_gems

added torquebox exec to the docs

improvements to the documentation for torquebox exec

added package step back to the archive creation command