Merge branch 'pr/22' into 1.1.0

solving issue #22
Add support for specific files in LineMessageView
Update README.md
Support file change when no active editors are open
this should be a one liner
Merge branch 'master' of github.com:spiegela/atom-message-panel
Merge pull request #28 from tcarlsen/closeMethod

this should be a one liner
Merge branch 'pr/26' into 1.1.0
open another file should also support goto char

at the moment you can only open another file at a specific line, but we
need to make sure that goto also can send the user to a specific
character
just some cleanup to make jslint happy!

and removing unnecessary typeof
adding ability to attach to the active pane

fixing issue #9 again…. #27 was/is broken
Merge pull request #29 from tcarlsen/open-file-at-char

Open file at char
better editor test

@fangel:

> So the test needs to either be !== undefined (instead of
"undefined"), or have the typeof. Otherwise there is a risk of calling
a method on undefined.
Merge pull request #30 from tcarlsen/cleanup-2

just some cleanup to make jslint happy!
updating the readme to note the pane issue
Merge pull request #31 from tcarlsen/issue-9-2

adding ability to attach to the active pane
Merge pull request #39 from tcarlsen/1.1.0

1.1.0