user creation functionality

can create user from signup.php
no validation
form editting
rm dist folder
Revert "rm dist folder"

This reverts commit b33f64221c3ed13a51bb6338b006f8b1f6d42b6b.
Revert "Revert "rm dist folder""

This reverts commit 6222381f1bc19cf8204b36c57614b40d3f27c719.
Merge remote-tracking branch 'origin/Front-end-'
Merge remote-tracking branch 'origin/backend'

Conflicts:
	index.php
content looping
passing filename to viewer with get
displays pdf on viewer.pdf
pdf, viewport, data
merge
Merge branch 'Front-end-' of https://github.com/bmsthomp/learningsolutions into Front-end-