moved testing.html to ./demo

also deleted testing_old.html
removing old files

src/jquery.modal.js
src/jquery.popups.js
renamed src files

removed the .new from the 2 source files
updated .gitignore

ignoring the old versions of popups and modal
I want to keep them in the folder on my local for reference
updated files to match src file renames
updated testing.html to match folder move
renamed testing.html to demo.html