list of ALL learning algorithms

[danyaljj]

Suggestion: create a section in the readme file which contains links to list of algorithms:

• https://github.com/IllinoisCogComp/saul/blob/master/saul-core/src/main/java/edu/illinois/cs/cogcomp/saul/learn/SaulWekaWrapper.md
• https://github.com/IllinoisCogComp/lbjava/blob/master/lbjava/doc/ALGORITHMS.md