akvo/akvo-flow — pull request #726 by iperdomo (2014-08-15 18:33:27+00:00)
Title: [#725] Property signingKey is required

* The signingKey property is required for calculating and comparing the
value in .sig file produced by the device
* Recover the option in the InstanceConfigurator
* Optimize the code for not executing the signature calculation if
`allowUnsignedData` is true