Convert templates to Jinja2

[figaro]

In logviewer.html update line:

<div py:for="entry in us_log" class="${entry['level']}">${entry['line']}</div>

to:

<div py:for="logline in us_log" class="${logline['level']}">${logline['line']}</div>

[Ryan J Ollos]

In 17736:

TracLogViewer 0.4dev: Refactor

Start adapting to Trac 1.4 API.

Refs #13816.

[Ryan J Ollos]

Needs template converted to Jinja2 and some more code rework.

[Ryan J Ollos]

In 17737:

TracLogViewer 0.4dev: Fix missing import from r17736

Refs #13816.

[Ryan J Ollos]

In 17738:

TracLogViewer 0.4dev: Translate panel name

Refs #13816.

[Ryan J Ollos]

Replying to Ryan J Ollos:

Needs template converted to Jinja2 and some more code rework.

This still needs to be done before the ticket can be closed.

[Jun Omae]

In 18670:

TracLogViewer 0.4dev: convert templates to Jinja2 (refs #13816)

[Jun Omae]

It works with Trac 1.4 and 1.6, now.