Fix typos.

client/components/sidebar/sidebar.jade

@@ -106,7 +106,7 @@ template(name="boardTeamGeneral")
           if currentUser.isBoardAdmin
             a.member.orgOrTeamMember.add-member.js-manage-board-addTeam(title="{{_ 'add-members'}}")
               i.fa.fa-plus
-      each currentBoard.activeteams
+      each currentBoard.activeTeams
         +boardTeamRow(teamId=this.teamId)
 
 template(name="boardChangeColorPopup")

models/boards.js

@@ -754,7 +754,7 @@ Boards.helpers({
   //   return this.orgs === undefined || this.orgs.length <= 0;
   // },
 
-  activeteams() {
+  activeTeams() {
     return _.where(this.teams, { isActive: true });
   },