update
many small fixes
Merge branch 'master' of https://github.com/bwalker99/LTIForward

Conflicts:
	bin/ca/ubc/med/sample/Login.class
	build/ca/ubc/med/lti/LTIForward.class
	build/ca/ubc/med/sample/Login.class
	dist/LTIForward.war
	resources/LTIForward.properties
	resources/web.xml

Fixed a number of small issues.
Separated login from display image pages.