Security scanning using Nessus tool

This change addresses the following
  -Network & port scanning
  -Vulnerability scanning

Change-Id: I33c1e02b75880441a89b31c5f1998196164ef6ad
Signed-off-by: prkatti1 <prkatti1@in.ibm.com>
diff --git a/gui/data/variables.py b/gui/data/variables.py
new file mode 100644
index 0000000..1abc2e2
--- /dev/null
+++ b/gui/data/variables.py
@@ -0,0 +1,24 @@
+#!/usr/bin/python
+
+# Contains xpaths and related string constants of Security scanning.
+
+class variables():
+
+    # xpaths for security scanning.
+
+    BROWSER=          "ff"
+    nessus_logo=      "xpath=//*[@id='logo']"
+    running_status=   "xpath=//*[@id='main']/div[1]/section/div[2]/table/tbody/tr[1]/td[4]"
+    username=         "test"
+    password=         "passw0rd"
+    xpath_exception=  "id=advancedButton"
+    xpath_add_exce=   "id='exceptionDialogButton'"
+    xpath_uname=      "xpath=//*[@id='nosession']/form/input[1]"
+    xpath_password=   "xpath=//*[@id='nosession']/form/input[2]"
+    xpath_signin=     "xpath=//*[@id='sign-in']"
+    xpath_search=     "xpath=//*[@id='searchbox']/input"
+    scan_name=        "OP Full Scan"
+    xpath_op_scan=    "xpath=//*[@id='main']/div[1]/section/table/tbody"
+    xpath_launch=     "xpath=//*[@id='scans-show-launch-dropdown']/span"
+    xpath_default=    "xpath=//*[@id='scans-show-launch-default']"
+    xpath_status=     "xpath=//*[@id='main']/div[1]/section/div[2]/table/tbody/tr[1]/td[4]"