Faster live result and some fixes

- fixed some indentation
- gitignore on .couchapprc
- added filter to get measurement docs (docs that have a `temperature' field)
- faster live result on main page by using call to most recent measurement docs
- live temp in 1 decimal
- fixed wrong reference in index.html to bootstrap.js

- read.py is with my settings now :). Perhaps a good idea to move the 'user specific settings' (couch server settings, sensor ids, etc.) to a separate file