Fixes:

• #277
• #278
• Bug with remoteState and output reference in stack template to self unit. Now allowed use both this.unitName.outputName and unitName.outputName.
• Increased file size limit for kubernetes manifests to 1024000
• fixed some mistakes in errors messages and removed debug outpud

Features:

• kubernetes unit: added option apply_template for manifests
• kubernetes unit: source option is now similar to the same one in the k8s-manifest unit, it can be either an absolute/relative path to a file or directory or a link to a remote http
• #280

Build:

• added new tests for kubernetes and k8s-manifest units