moved sureal to its own folder
updated sureal path in opencog.conf
moved README
Merge pull request #1153 from williampma/SuReal

SuReal: files juggling
Fix english typos
Fix path (learning -> reasoning)
Replace load-scm-from-file by load (it's simpler to call and seems just as good)
Add andRule (just prototype)
Move the location of the viterbi directory
README update
Merge pull request #1155 from linas/mov

Move viterbi subdirectory