[murano] UI hangs if user adds the application to the environment

ISO:{"build_id": "2014-10-14_14-26-21", "ostf_sha": "de177931b53fbe9655502b73d03910b8118e25f1", "build_number": "38", "auth_required": true, "api": "1.0", "nailgun_sha": "b0ee35212445659f9de2163933286b4e3b97debe", "production": "docker", "fuelmain_sha": "2e98d3640bec461495eeca85c69176db4274fe2c", "astute_sha": "c440db0449f3fe6ce6007b514e9133d8f6d0c750", "feature_groups": ["mirantis"], "release": "6.0", "release_versions": {"2014.2-6.0": {"VERSION": {"build_id": "2014-10-14_14-26-21", "ostf_sha": "de177931b53fbe9655502b73d03910b8118e25f1", "build_number": "38", "api": "1.0", "nailgun_sha": "b0ee35212445659f9de2163933286b4e3b97debe", "production": "docker", "fuelmain_sha": "2e98d3640bec461495eeca85c69176db4274fe2c", "astute_sha": "c440db0449f3fe6ce6007b514e9133d8f6d0c750", "feature_groups": ["mirantis"], "release": "6.0", "fuellib_sha": "f833a850274535f1dd19987757443ec01da601b4"}}}, "fuellib_sha": "f833a850274535f1dd19987757443ec01da601b4"}

Steps to reproduce:
1) Install OS(CentOS, neutron GRE, murano, ha, 3 controller, 1 compute)
2) Log in WebUI
3) Navigate to Murano>Application Catalog>Applications
4) Click 'Quick Deploy' on one of the applications

Actual result:
UI hangs