Attempting to get sftp working
Generic Destination Handler
Merge branch 'DEV' of https://github.com/hasnain110/cloud-store into DEV

Conflicts:
	src/main/java/edu/nu/cs/utils/FileChangeListener.java
	src/main/java/edu/nu/cs/web/controller/SyncController.java
Merging code for conflicting changes
Introducing Remote file syncing capability using SFTP protocol