add Package Control specific file ignores

per https://sublime.wbond.net/docs/syncing
escape spaces for Package Control specific file ignores
update google analytics push snippet description
add email field xml snippet
fixing .gitignore files
Revert "escape spaces for Package Control specific file ignores"

This reverts commit 2a20d72966439ac06ecfa992ee46cc67040c7edb.
cleanup .gitignore
Merge branch 'master' of github.com:billt2006/sublime-text-settings