l10n: Change triple dot ellipsis (#385)

* Update Task.vue

* Update General.vue

* Update TheList.vue

src/components/Task.vue

@@ -216,7 +216,7 @@ export default {
 		 * @returns {String} the placeholder string to show
 		 */
 		subtasksCreationPlaceholder: function() {
-			return t('tasks', 'Add a subtask to "{task}"...', {	task: this.task.summary })
+			return t('tasks', 'Add a subtask to "{task}"…', {	task: this.task.summary })
 		},
 
 		/**

src/components/TheCollections/General.vue

@@ -113,13 +113,13 @@ export default {
 		inputString: function() {
 			switch (this.collectionId) {
 			case 'starred':
-				return t('tasks', 'Add an important task to "{calendar}"...', { calendar: this.calendar.displayName })
+				return t('tasks', 'Add an important task to "{calendar}"…', { calendar: this.calendar.displayName })
 			case 'today':
-				return t('tasks', 'Add a task due today to "{calendar}"...', { calendar: this.calendar.displayName })
+				return t('tasks', 'Add a task due today to "{calendar}"…', { calendar: this.calendar.displayName })
 			case 'current':
-				return t('tasks', 'Add a current task to "{calendar}"...', { calendar: this.calendar.displayName })
+				return t('tasks', 'Add a current task to "{calendar}"…', { calendar: this.calendar.displayName })
 			default:
-				return t('tasks', 'Add a task to "{calendar}"...', { calendar: this.calendar.displayName })
+				return t('tasks', 'Add a task to "{calendar}"…', { calendar: this.calendar.displayName })
 			}
 		},
 		...mapGetters({

src/components/TheList.vue

@@ -134,7 +134,7 @@ License along with this library.  If not, see <http://www.gnu.org/licenses/>.
 				@click="startCreate($event)"
 			>
 				<span class="title">
-					{{ t('tasks', 'Add List...') }}
+					{{ t('tasks', 'Add List…') }}
 				</span>
 			</a>
 			<div :class="{error: nameError}" class="app-navigation-entry-edit name">