Fix pep8 error

Change-Id: Ia893fff912ad9985cf911eafae15e699b1db2311
Fix direct links to lines in log files.

Bootstrap's navbar-fixed-top is overlaying the correct line.
The solution is to put the padding and negative margin to compensate.

Also bring back the missing css file, this was a regression.

Fixes bug 594 (https://bugs.linaro.org/show_bug.cgi?id=594).

Change-Id: I90bd97eb994340e6fe618f1b77ac15086e24981b
Add correct tooltips for buttons.

Fix LAVA-1722.
Add correct tooltips desribing the action of buttons on "Authentication
Tokens" page

Change-Id: I12e1c2294346b72cb0fc102585a5741187b0974d
Add the user argument to the filter tables.

Also, make subscription column a template one, otherwise the bug
is still present.

Fixes bug 758 (https://bugs.linaro.org/show_bug.cgi?id=758).

Change-Id: I67c87632015017b5f66684e91c0e7d07778b69c0