Do not use yaql input data conversion
Do not use yaql input data conversion

When root is set to context manually it will not
be converted into immutable object and task serialization
will do faster because it does not spent time to this conversion

Related-Bug: 1569859
Change-Id: I46e4c43a757b78d96eec3edea0f66361afae3d73

stackforge/fuel-web,stackforge/fuel-web,stackforge/fuel-web