Update about.html

fixed small typos
Merge pull request #2 from okj579/master

Proofreading for Home and FAQ pages
Update help.html

Additional proofreading and corrections
Merge pull request #3 from carolyna/master

additional proofreading edits
Proofreading edits
Proofreading edits

fixed inconsistent usage of webmail and other minor typos.
Merge branch 'master' of github.com:carolyna/www.mailvelope.com into carolyna-master

Conflicts:
	views/incl/faq.jade
	views/incl/home.html