Clean start for v2.
Remove composer until composer strategy is decided.
Add gtserver shell script

For #178
Use PHP for shell script

For #178
Complete gtserver wrapper
Add Go.php router script
Update ReadMe.md
Rename Go to Router
Rename Go to Router
Implement static web server

For #179
Merge branch 'v2' of github.com:BrightFlair/PHP.Gt into v2
Add composer, update gitignore

For #180
Compose phpunit
Add unit test framework
Convert to class for testing
Add fake tests
Introduce bin, src, test direcories.

For #180, #182
Use Gt directory for namespace-matching directories

For #182, #180
Remove extension to shell script
Rename class Options to Arguments