Enable pretty URLs
Open Gii up to LAN and WAN requests from LAN
Update readmes and remove misleading content

Some of the code and documentation brought into the themes directory
refers to an old project of mine this is not relevant to excavator.
The content has been removed to prevent confusion.

Also, more content regarding the design of excavator was added to
/README.md
Refactor layout

The design calls for a single two column layout.
A one column is not needed, and column2 is redundant
since main.php has that taken care of.
Default to main layout
Revise introductory content
Toss out about page. Data page gives brief intro
Change indention convention to BSD KNF
Implement boilerplate theme
Fix ignore sass-cache entry
Merge branch 'feature/feature-base-theme-styles' into develop

Finish boilerplate theme code.