Fixes that Velocity cannot connect to the mirror when options.rootUrlPath is a specified
Fixes that mirror is tried to be synced in the mirror website
Fixes issues with projects that have spaces in the path
Reverts: Fixes issues with projects that have spaces in the path

The method is already in the default-fixtures.js and the issue was rsync.
Create relative symlink for packages dir in mirror. (fixes #174)
Correctly determine packages dir when app is not started from the root.
Bumps version to 1.0.0-rc.5
moving to soft mirrors
no need for any mirror code in core.js now