Removes unused code

Removes unused:
- console.log
- page query
- datalist script
Consolidates head elements

- Moves scripts after CSS loading
- Consolidates meta elements
Increases load time

Increases load time to 200 seconds for production… 7 seconds was
leading to load timeout errors on slow connections.
Removes datalist-manager reference

Datalist-manager is not currently used. This commit removes the
reference to it.
Merge `master`
Code comment edits

Adds and edits code comments to javascripts.
Fixes bug in products and services

Products and services had an incorrect logic conditional that was false
when payments was not present but market match was.
Changes term popup color to white

Dark yellow background of term popup looked bad, this commit changes it
to white.
Code comment update
Merges `master`
Merge pull request #318 from codeforamerica/code-refactor

Code refactor