0.19.0

• Re authorize streams on reconnect
• Don't automatically parse URLs in incoming webhooks message body if an attachment is also present
• Add alerts for highlight words
• Add button to show offline users in a room
• Add Import framework
• Add importing of the files from slack
• Add notifications for highlight words
• Add pagination to user's list
• Add per room email preferences
• Add preferences for highlight words
• Admin is now active when created on setup
• Allow imports with a ton of messages in the same day (thousands)
• Allow to set Name and Username for initial admin user via environment variables - Closes #2231
• Closes #2096; LDAP broken when using meteor deploy
• Closes #2218; LDAP: Add a setting to disable avatar sync
• Closes #2221; LDAP Custom Domain Search gives "TypeError"
• Closes #2262; Implement LDAP user sync
• Do not notify edited messages again
• Don't try to parse an upload if it doesn't contain a file.
• Fix "topic changed" messages with incorrect timestamp
• Fix and improve webrtc settings
• Fix blocked settings
• Fix broken items after the latest merge
• Fix broken ldap when custom filter specifies no userId
• Fix room's topic not get applied
• Fix starttls issue by setting tls.connect hostname parameter.
• Fix the sendMessage with nothing after it being left in
• Fix upload previews
• Really respect the limit of the mongo database.
• Reduce the size of the max records we input to half of what it was, to reduce the stress on mongo
• Remove unused files: splash
• Replaces "disabled" by "readonly" and Closes #2241
• Send emails respecting room preferences
• Settings to change placeholders in login form - closes #2204
• Split CA cert into array of strings.
• Switched CAS configuration from Meteor.settings to RocketChat.settings.