swugenerator - 0.3-1 main

swugenerator is a command line tool to create and modify SWUpdate's
SWU update files based on templates. openssl is used to sign the SWU.
.
Features that swugenerator supports:
* replace occurrencies of variables found in the CONFIG file
* add sha256 to each artifact
* check if an artifact should be encrypted and encrypts it
* sign sw-description with one of the methods accepted by SWUpdate