Added timezone on API date header
Added conditional response on node API
Added  encoding negotiation to node API and refactor handle_response into multiple functions
api.lua: Improved code formatting
api.lua: declare variables as local
Fixed API HTML version
Included Allow header on node API
Updated VCT_SERVER_VERSION to '0.9.2a30'
Updated VCT_SERVER_VERSION to '0.9.2a32'
Make vct_system_install_server more reliable by relying on postupgradecontroller for schemamigrations
Merge branch 'testing' of git.confine-project.eu:confine into testing
Merge branch 'testing'