Fixed tags not being saved on new pages

.travis.yml

@@ -2,8 +2,8 @@ language: php
 php:
   - 7.0
 
-node_js:
-  - "4.1.2"
+env:
+  - NODE_JS_VERSION=5
 
 cache:
   directories:
@@ -15,6 +15,9 @@ addons:
 
 before_install:
   - npm install -g npm@latest
+  - curl -o ~/.nvm/nvm.sh https://raw.githubusercontent.com/creationix/nvm/v0.31.0/nvm.sh # update nvm
+  - bash -c "nvm use $NODE_JS_VERSION" || true
+  - bash -c "source ~/.nvm/nvm.sh; nvm install $NODE_JS_VERSION; node --version"
 
 before_script:
   - mysql -e 'create database `bookstack-test`;'

app/Repos/PageRepo.php

@@ -145,6 +145,11 @@ public function publishDraft(Page $draftPage, array $input)
     {
         $draftPage->fill($input);
 
+        // Save page tags if present
+        if(isset($input['tags'])) {
+            $this->tagRepo->saveTagsToEntity($draftPage, $input['tags']);
+        }
+
         $draftPage->slug = $this->findSuitableSlug($draftPage->name, $draftPage->book->id);
         $draftPage->html = $this->formatHtml($input['html']);
         $draftPage->text = strip_tags($draftPage->html);