Various small fixes

Particularly prevents blowing up on validation error

Completes #2187

app/controllers/jobs_controller.rb

@@ -26,10 +26,12 @@ class JobsController < ApplicationController
   end
 
   def create
-    if @job = Job.create(job_params)
+    @job = Job.new(job_params)
+    if @job.save
       redirect_to project_job_path(@job.project, @job)
     else
-      render :edit
+      @project = @job.project
+      render :new
     end
   end
 

app/views/jobs/_form.html.erb

@@ -24,7 +24,7 @@
     <%= f.hidden_field :project_id, value: @job.project.id %>
 
     <fieldset>
-      <legend>Budget</legend>
+      <legend>Budget (hours)</legend>
       <%= f.fields_for :time_budgets do |ff| %>
         <p>
         <%= ff.label :hours, ff.object.category&.name || "Unassigned" %>

app/views/jobs/_job.html.erb

@@ -3,10 +3,6 @@
   <td><%= job.category&.name || "Unassigned" %></td>
   <td><%= format_date(job.starts_on) %></td>
   <td><%= format_date(job.ends_on) %></td>
-  <td><%= job.project_id %></td>
-  <td>
-    <%= l_hours_short(job.total_time_budget) %>
-  </td>
   <td>
     <%= total_progress_bar(job) %>
   </td>

app/views/jobs/index.html.erb

@@ -15,8 +15,6 @@
         <th>Category</th>
         <th>Starts on</th>
         <th>Ends on</th>
-        <th>Project</th>
-        <th>External project</th>
         <th>Progress</th>
       </tr>
     </thead>

app/views/jobs/show.html.erb

@@ -19,7 +19,7 @@
           <div class="label">Starts on:</div>
           <div class="value"><%= format_date(@job.starts_on) %></div>
           <div class="label">Ends on:</div>
-          <div class="value"><%= format_date(@job.starts_on) %></div>
+          <div class="value"><%= format_date(@job.ends_on) %></div>
         </div>
       </div>
       <div class="splitcontentright">