CFY-1134 modified update node API - runtime properties will now be set as-is, instead of merging with the previous runtime properties
CFY-1134 modified run-tests.sh for travis tests
CFY-1134 modified run-tests.sh for travis tests
CFY-1134 modified run-tests.sh for travis tests
CFY-1134 reverted run-tests.sh
CFY-1134 reverted run-tests.sh
CFY-1134 added integration test for deleting runtime properties from plugin context object
CFY-1134 modified run-tests.sh for travis tests
CFY-1134 reverted run-tests.sh
CFY-1134 flake8 fixes
Merge pull request #112 from cloudify-cosmo/CFY-1134-modify-runtime-properties-api

CFY 1134 modify runtime properties api