Merge pull request #17 from xolmer/mails

wysihtml5 and hidden input
Merge pull request #20 from xolmer/mails

repo & interface, profile view link to inbox, To & Subject from compose ...
storing mails 101
Javascript files modularized to be used by brwoserify - gulp-browserify added to gulpfile.js and required in package.json
customer_senders migartion created - typo in receiver_id columns corrected
Create Customer Changed to include Customer Senders
storing mails 102
storing mails 103
manually merged mails
mail compose page updated to include controls for Priority
closes #21 Compose button not displayed in mail.compose
closes #22 validation for mail.compose
mail.compose done
fixed error with setting the correct receiver_id when storing mails
base done inbox and listing mails
spelling error fixed in migration file
Javascript module added for mails.inbox
gargron/fileupload package added to compose.json
full_name added to $appends array - attachments relationship set for MailMessage model
path helper methods added to helpers.php