Bug424371 - global installation vs. local installation

Updated npm README documentation for global installation.

Signed-off-by: Kaitlin Huben <kaitlin.huben@gmail.com>
Bug 432962 Cannot import a file with unicode characters in the filename
Bug 432967 - CSS outliner doesn't select ranges
[Bug 432962] extract util for encoding Slug header
[Bug 432962] fix Slug encoding in fileCommands
[Bug 432952]  File>Import>File System won't upload zip file
Bug 432994 - Deploy should not delete existing apps from CF
Bug 432994 - Deploy should not delete existing apps from CF
Merge branch 'Bug424371-khuben-globalInstall'
Bug 432994 - Deploy should not delete existing apps from CF
Bug 433008 - Readonly file widget: Display sensible error message when file system plugin activation fails.
Bug 433008 - Readonly file widget: Display sensible error message when file system plugin activation fails.-- error message tweaks.