Merge branch 'release/0.4.x'
initial checkin of refactor code , Dev Task : CSH-1156
fixed few issues
further changes
missed
schema variable now declared in server and client class , Dev Task : CSH-1156
added support for GET on /openvpn/client/id , Dev Task : CSH-1156
adding schema validation upon DB reload , Dev Task : CSH-1156
added list indexing for db file name and schema variable passed to parent class
minor changes
fixed the GET  and schema issue
version updated
Merge branch 'feature/csh-1156-refactor' into develop