Use new observer methods
Don't use WorkspaceView in specs
Use Project::setPaths, not ::setPath
Use Workspace::observeTextEditors
Use atom.grammars, not atom.syntax in specs
Use multi-cursor aware methods on TextEditor
Use Workspace::getActivePaneItem()
Remove emissary dependency
Use Workspace::getActiveTextEditor
Merge pull request #54 from atom/mb-fix-deprecations

Remove use of deprecated APIs