Update generator files to use the new APIs
Use only one shellout method and default to :debug
Add a live streaming buffer object to the logger
Live stream (debug) build steps
Remove extra newline comment
Update CHANGELOG for build streaming output and generator fixes
Deprecate the OMNIBUS_APPEND_TIMESTAMP environment variable
Update CHANGELOG entry for deprecating OMNIBUS_APPEND_TIMESTAMP
Fix a bug in windows_safe_path to always return a string
Add a Config.base_dir configuration value for easy tuning
Update CHANGELOG for windows_safe_path and new Config.base_dir
Fix old reference to windows_safe_path!
Remove use of Omnibus.root in initializer

We deprecated this - we probably should not use our deprecated APIs
Update CHANGELOG entry for using Omnibus.project_root
Fix the typo in config (directory -> default)
Update windows_safe_path to take an array of path pieces

This allows the user to specify a list of splat arguments to 
+windows_safe_path+ instead of just a string. Under the hood, 
+windows_safe_path+ will now use +File.join+ appropriately.
Project: +windows_safe_path+ expands paths now
Make sure Omnibus::Config extends Util

Prior to this commit, we were not using *our* +windows_safe_path+
method, and that's super awkward.
Remove Config.platformize_omnibus_path (no longer needed)
Update method signatures in Omnibus::Config for +windows_safe_path+