[Title] Added 'Return Code', 'Doc ype' object
Merge pull request #1 from gseok/master

[Title] Added 'Return Code', 'Doc ype' object
Modified curl commands.
Modified all document apis to use collection 'docs'
Merge pull request #1 from s1ddh1k/master

sync
[Title] Added 'renameDocument' operation
Merge branch 'master' of https://github.com/gseok/ksp-server

Conflicts:
	curlcmds.txt
Merge pull request #2 from gseok/master

'renameDocument' implements
Modified document apis to use 'doc_revisions' collection.
Merge pull request #2 from s1ddh1k/master

code sync
Modified cloneDoc to exclude _id property.
Merge pull request #3 from s1ddh1k/master

Modified cloneDoc to exclude _id property.
[Title] Fixed 'renameDocument' internal logic
Merge pull request #3 from gseok/master

Code sync and 'renameDocument' fixed