fix the unimportant bug of the test function of FeatureAction

and test the github environment for my laptop
add vagrant detection to install-ubuntu-dependencies
added private network address for easy working with opencog-on-vagrant
changed hash to hush
added some comments
Merge pull request #16 from AmeBel/r2l

changes for r2l piping with opencog
a simple improvement
Merge pull request #17 from AmeBel/r2l-improvements

a simple improvement that was  previously suggested
Update Changelog with new info.
correction for maybe rule
Merge github.com:/ruiting/relex into rummy
remove exclusion
between SVO,SV and SVP
add which rule/Relex2logic
indirect object rule/relex2logic
Merge pull request #19 from rodsol/r2l

R2l
correction which rule and SVP /relex2logic
bump version numbers to 1.5.1
Merge branch 'vagrant-testing' of github.com:/githart/relex into gh
Merge branch 'r2l' of github.com:/rodsol/relex into rs
Update the README for tarball download