Moved calls to "RequestLibrary.<action> Request" in csit/suites/ (2)

Moved calls to "RequestLibrary.<action> Request" in csit/suites/ (2)

+ RequestsLibrary.Get Request
+ RequestsLibrary.Delete Request
+ RequestsLibrary.Put Request
+ RequestsLibrary.Post Request

Updated RequestLibrary calls in following directories

  csit/suites/iotdm/
  csit/suites/l2switch/
  csit/suites/lacp/
  csit/suites/lispflowmapping/
  csit/suites/messaging4transport/ (removed due to failure)
  csit/suites/nemo/
  csit/suites/netconf/
  csit/suites/netide/
  csit/suites/nic/

Change-Id: I8a513c6bf3cc05825158b484c1d25fbe30e96ec8
Signed-off-by: Junaid Zulfiqar <junaid.rao21@gmail.com>