Merge pull request #9 from indykish/master

a new version of libgo.
Add recipe and json attributes in knife command
Merge pull request #10 from rajthilakmca/master

Add recipe and json attributes in knife command
Fix log file create and append logs
Merge pull request #11 from rajthilakmca/master

Fix log file create and append logs
change command
Merge pull request #12 from rajthilakmca/master

change command
clear println lines
Merge pull request #13 from rajthilakmca/master

clear println lines
change command to "knife"
Merge pull request #14 from rajthilakmca/master

change command to "knife"
undo the command
Merge pull request #15 from rajthilakmca/master

undo the command
test ec2 json-attribute change
Merge pull request #16 from thomasalrin/master

test ec2 json-attribute change
test ec2 changes
Merge pull request #17 from thomasalrin/master

test ec2 changes
a minor fix to have single quoted json_attributes