C: Adding more Chapter 7 examples
Merge pull request #13 from rorygraves/master

A few more tweaks to scala port
C:Adding Nelder Mead source file.
C: Cleanup of signed/unsigned.
C: More training alog.
Java: Removed old debug code
Merge remote-tracking branch 'origin/master'
C: Fixed simulated annealing
C: Anneal cleanup
Merge branch 'master' of github.com:jeffheaton/aifh
C: Working on nelder mead
Merge branch 'master' of github.com:jeffheaton/aifh
C: Nelder mead
C: Added Nelder Mead
C: Added discrete TSP anneal example
C:Added knapsack example.
C: Working on linear regression
Java: Linear regression displays output
C: Fixed linear regression example
C: Working on GLM