File attachments support
Should check return value before goind on in case a plugin wants to block the notification process
Updated hook to let plugins modify subject as in advanced_notifications
Allow to enable/disable object notifications hook (default: disabled)
Changes related to plugin review https://github.com/ColdTrick/html_email_handler/pull/17#issuecomment-39556438
updated README.md file
Update to latest master branch
Typo change
Minimise changes from master plugin repo
Scrutinizer issues
Merge pull request #17 from Facyla/master

File attachments support