add missing error handling
add a password hashing algorithm
add missing error handling
improving comments
add missing error handling
added encryption / decryption algorithms.
getting rid of the properties based app configuration, replacing with
schema-driven XML configuration.
updates, more config options
adding in support for users, the user profiles, storing user
preferences, handling user passwords, etc.
Getting rid of the old user preferences stubs.  Cleaning up a bunch of
bad APIs in WBUtility.
add easy access to currently logged in user
Merge branch 'master' of https://github.com/Apelon-VA/ISAAC.git

Conflicts:
	otf-util/src/main/java/gov/va/isaac/gui/conceptViews/EnhancedConceptViewController.java
	otf-util/src/main/java/gov/va/isaac/util/WBUtility.java
some images for the login dialog (from the controlsFX packages)
maybe? fixes the spurious null pointer that I keep getting in
ConceptNode with JDK 8.0 u20.
add some debug logging
fix merge oops
fix compiler warnings
add workflow / sync usernames
cleanup APIs, add storage of conceptUUID, add apis for logon gui, fix
bugs
background thread this, switch to comprehensive style