Make it easier to send a message to groups

[alehandrof (Alex Armstrong)]

It makes sense to add a “Message” button on a group’s homepage, if that group can be messaged by the specific user:

Edit: also, the “Request” button should use a different icon (perhaps fa-user-plus), especially if that feature ceases to use messaging as I read in another topic.

[sam (Sam Saffron)]

I like this suggestion, adding it to the list for next release

[tgxworld (Alan Tan)]

Checking this off my list

https://github.com/discourse/discourse/commit/75374c76b316c6cc8b3008e79b720d2d8bad78ac

[alehandrof (Alex Armstrong)]

This works great. Thank you!