Batcave

- Changed
- The handling of build information the build module has been overhauled to remove reliance on the command line and PRDB.
- Update requests to 2.18.1 and setuptools to 36.0.1.

- Changed
- When sysutil.syscmd is run with useshell, pass the command and args as a string to Popen as suggested by the documentation.

- Changed
- Catch any PyQt load failure in version module to protect against missing GNUC libs.
- Determine users home directory in a cross-platform way.
- Rename some variables.

- Changed
- The node npm command needs to be run by the shell.

- Added
- Converted the envcfg module to configmgr.
- Added Linux support.
- Added GNUBuilder.
- Added statemachine.StateMachine.reset method.
- Added statemachine.StateMachine.start method to facilitate crash recovery.

- Changed
- Update error related to Linux support.
- The servermgr.Server.run_command method should not run the command remotely if the server is local.
- Add more files ignored when build.NodeBuilder publishes.
- Updated dependencies: cx-Freeze to 5.0.2, requests to 2.17.3, slacker to 0.9.50.

- Added
- Added support for using the node package.json file as a version file.

- Changed
- Change WMIObject type to a string to allow grabbing any available.