Revert "changing requirePrefix of dashboard to 'brjs'"

This reverts commit eded2533bb2e9e5ed4f5d4d4b24e6b42e2628436.
redoing previous dashboard changes

Redoing dashboard changes originally done in
eded2533bb2e9e5ed4f5d4d4b24e6b42e2628436 and
b3a1b5871c7c6c4c33ce9ab1b646ad71ce0357db (fix for #505) since gitignore rules had
previously ignored all of the new files/folders.
Also fixing the bad GitIgnore rules.