Place existing policies in clearer order.
Update wording of Trident policy.

Closes #366
Add position on local government funding.

Closes #367
Add position on excess bedroom benefit.

Closes #368
Add position on illness or disability benefits.

Closes #369
Add position on welfare benefit increase amounts.

Closes #370
Add position on NHS providing services to private patients.

Closes #372
Add position on GP commissioning.

Closes #371
Add various new positions.

Closes #356
Replace double quotes with single quotes.

In line with PSR, also makes entries consistent.
Highlight key words in policy phrases.