Version 1.5.0

• Adds the ability to revert to a specific revision from the history page (@brad7928)
• Adds support for directives (see PR #115) (@creynold)
• Adds support for Table of Contents (@creynold and @brad7928)
• Adds a new emptyEmailMatches configuration parameter (see README)
• Added the /etc configuration directory (for useful configurations we may need)
• Fixes #110 (@brad7928)
• Fixes #109
• Fixes #10

Merged #115, #113, #110