Address on markers and on graph

public/javascripts/chart_utilities.js
   - add address in #addSensorID'
   - function 'addAddress' added

public/javascripts/datetime.js
   - removed unnecessary comment

public/javascripts/global.js
   - refreshrate changed to 5 min
   - typo 'autohide' corrected

views/index.pug
   - removed text 'only for live ...'

views/layout.pug
   - removed superflous links and variables

public/javascripts/maps.js
   - added address to marker popup

charts/preparecharts.js
   - translate legend texts

public/javascripts/showcharts.js
   - dont show selected tab

public/stylesheets/style.sass
   - add style for sensornumber on chart

loclae/[de|en]/translation.json
    - added translations for legend

charts/utilities.js
   - ymax for live set to 120

public/stylesheets/style.sass

@@ -241,4 +241,8 @@ footer
 
 .addr
   font-weight: bold
-  margin-bottom: 10px
+  margin-bottom: 10px
+
+.bigger
+  font-size: 120%
+  font-weight: bold