Improve CSS and page design

[Cinc-th]

The current presentation is space wasting and overloaded.

Try to improve by rearranging items and tweaking CSS styles. Folding page sections may also be considered.

[Cinc-th]

In 18254:

PeerReviewPlugin: added basic page styling by applying classes trac-content and borderless. New styling for file lists.

Refs #14006

[Cinc-th]

In 18255:

PeerReviewPlugin: some minor CSS changes to main page. CSS changes and foldable sections for codereview page.

Refs #14006

[Cinc-th]

In 18258:

PeerReviewPlugin: improve rendering of review info on the changeset page. Use proper CSS instead of element styles. Show user name instead of login name.

Refs #14006

[Cinc-th]

In 18260:

PeerReviewPlugin: bugfixing and refactoring. Show review status in wiki links. Some minor improvements to user list. Removed bundled jquery and jquery-ui used back in the 0.12 days.

Refs #14006

[Cinc-th]

In 18262:

PeerReviewPlugin: nicer formatting of changeset links. Fixed inline comment formatting.

Refs #14006

[Cinc-th]

In 18266:

PeerReviewPlugin: show user names instead of login names when selecting reviewers. Make Cancel button default in confirm dialog when removing users. Some CSS tweaking to make comment tree denser.

Refs #14006

[Cinc-th]

In 18270:

PeerReviewPlugin: show hash in info box when displaying a source file. Added file id to review table linking to the Review file page. Some CSS tweaking to the view review page.

Refs #14006