first version that can create sessions and channels
Added default properties to the octopus engine.
fixed name
Refactor of certificate support; make it a first-class citizen.
Adaptor class loader now check for "octopus.adaptor.load" property.
Adaptor class loader now tests for adaptor names to load.
source format
merged with develop version
Changed adaptor loading scheme to use lower case names for adaptors.
merged again
Merge pull request #4 from NLeSC/feature/ssh-adaptor

Feature/ssh adaptor
Added implementations of getStatus and cancel in LocalAdaptor.
Added JobStatus implementation.
Added specialized "supports(String scheme)" call to local adaptor that
accepts null as a valid scheme.
Merge branch 'develop' into feature/sge-adaptor