Initial log viewer
Log viewer finished. Pagination added
1. Detalized exception message in transport module if connection to server failed.
2. Added exception handlers on master, data and trash pages.
3. Added module with common functions in utils.
4. Changed error message in master, data and trash templates.
Merge branch 'log_viewer'
Commented "Download log" button
Moved all javascript to common-scripts.js
Added default value to login form
Remove root password confirmation from edit_config function
import statement cleaniing
Merge pull request #33 from AnaPana/master

Test version of log viewer