Add i18n; avoid injecting unneeded dependencies.

services/web/app/views/project/editor/history.pug

@@ -91,5 +91,5 @@ script(type="text/ng-template", id="historyLabelTooltipTpl")
 		p.history-label-tooltip-title 
 			i.fa.fa-tag
 			|  {{ $ctrl.labelText }}
-		p.history-label-tooltip-owner Created by {{ $ctrl.labelOwnerName }}
+		p.history-label-tooltip-owner #{translate("history_label_created_by")} {{ $ctrl.labelOwnerName }}
 		time.history-label-tooltip-datetime {{ labelCreationDateTime | formatDate }}

services/web/app/views/project/editor/history/entriesListV2.pug

@@ -77,17 +77,6 @@ aside.change-list(
 							is-owned-by-current-user="label.user_id === $ctrl.currentUser.id"
 							on-label-delete="deleteLabel(label)"
 						)
-						//- .history-entry-label(
-						//- 	ng-if="update.labels.length > 0"
-						//- 	ng-repeat="label in update.labels"
-						//- )
-						//- 	span.history-entry-label-comment
-						//- 		i.fa.fa-tag
-						//- 		|  {{ label.comment }}
-						//- 	button.history-entry-label-delete-btn(
-						//- 		stop-propagation="click"
-						//- 		ng-click="deleteLabel(label)"
-						//- 	) ×
 					div.time {{ update.meta.end_ts | formatDate:'h:mm a' }}
 					div.action.action-edited(ng-if="history.isV2 && update.pathnames.length > 0")
 						| #{translate("file_action_edited")}

services/web/app/views/project/editor/history/toolbarV2.pug

@@ -12,7 +12,7 @@
 		ng-disabled="history.loadingFileTree"
 	) 
 		i.fa.fa-tag
-		|  Label this version
+		|  #{translate("history_label_this_version")}
 	button.history-toolbar-btn(
 		ng-click="toggleHistoryViewMode();"
 		ng-disabled="history.loadingFileTree"
@@ -27,20 +27,20 @@ script(type="text/ng-template", id="historyV2AddLabelModalTemplate")
 		novalidate
 	)
 		.modal-header
-			h3 Add label
+			h3 #{translate("history_add_label")}
 		.modal-body
 			.alert.alert-danger(ng-show="state.error.message") {{ state.error.message}} 
 			.alert.alert-danger(ng-show="state.error && !state.error.message") #{translate("generic_something_went_wrong")}
 			.form-group
 				input.form-control(
 					type="text"
-					placeholder="New label name"
+					placeholder=translate("history_new_label_name")
 					ng-model="inputs.labelName"
 					focus-on="open"
 					required
 				)
 			p.help-block(ng-if="update")
-				| A new label will be added as of 
+				| #{translate("history_new_label_added_at")} 
 				strong {{ update.meta.end_ts | formatDate:'ddd Do MMM YYYY, h:mm a' }}
 		.modal-footer
 			button.btn.btn-default(
@@ -50,18 +50,18 @@ script(type="text/ng-template", id="historyV2AddLabelModalTemplate")
 			) #{translate("cancel")}
 			input.btn.btn-primary(
 				ng-disabled="addLabelModalForm.$invalid || state.inflight"
-				ng-value="state.inflight ? 'Adding label' : 'Add label'"
+				ng-value="state.inflight ? '" + translate("history_adding_label") + "' : '" + translate("history_add_label") + "'"
 				type="submit"
 			)
 
 script(type="text/ng-template", id="historyV2DeleteLabelModalTemplate")
 	.modal-header
-		h3 Delete label
+		h3 #{translate("history_delete_label")}
 	.modal-body
 		.alert.alert-danger(ng-show="state.error.message") {{ state.error.message}} 
 		.alert.alert-danger(ng-show="state.error && !state.error.message") #{translate("generic_something_went_wrong")}
 		p.help-block(ng-if="labelDetails")
-			| Are you sure you want to delete the following label: 
+			| #{translate("history_are_you_sure_delete_label")} 
 			strong "{{ labelDetails.comment }}"
 			| ?
 	.modal-footer
@@ -74,4 +74,4 @@ script(type="text/ng-template", id="historyV2DeleteLabelModalTemplate")
 			type="button"
 			ng-click="deleteLabel()"
 			ng-disabled="state.inflight"
-		) {{ state.inflight ? 'Deleting label' : 'Delete label' }}
+		) {{ state.inflight ? '#{translate("history_deleting_label")}' : '#{translate("history_delete_label")}' }}

services/web/public/coffee/ide/history/components/historyEntry.coffee

@@ -2,7 +2,7 @@ define [
 	"base"
 	"ide/history/util/displayNameForUser"
 ], (App, displayNameForUser) ->
-	historyEntryController = ($scope, $element, $attrs, $filter, _) ->
+	historyEntryController = ($scope, $element, $attrs, _) ->
 		ctrl = @
 		_getUserById = (id) ->
 			_.find ctrl.users, (user) ->