Build version advanced to 5994-7
CLOUDIFY-2305 Added backwards support for running old recipes
CLOUDIFY-2300 moved MachineDetails and Machine events classes to esc-config so that the rest will have them in its classpath
CLOUDIFY-2302 added serial version UID
CLOUDIFY-2300 added readme
Merge pull request #91 from CloudifySource/alu-backwards

Various fixes for maintaining backwards compatibility
Build version advanced to 5994-13
Build version advanced to 5994-15