chg: [iep2] MANIFEST updated, set version value to string (all are strings in taxonomies)

Notes: $text feature is something not implemented currently in MISP (IEP is the only taxonomy having variable
values). Maybe having a set of police like SPDX license module would help to have more generic agreement.

MANIFEST.json

@@ -313,6 +313,16 @@
       "name": "iep",
       "version": 2
     },
+    {
+      "description": "Forum of Incident Response and Security Teams (FIRST) Information Exchange Policy (IEP) v2.0 Policy",
+      "name": "iep2-policy",
+      "version": 1
+    },
+    {
+      "description": "Forum of Incident Response and Security Teams (FIRST) Information Exchange Policy (IEP) v2.0 Reference",
+      "name": "iep2-reference",
+      "version": 1
+    },
     {
       "description": "The IFX taxonomy is used to categorise information (MISP events and attributes) to aid in the intelligence vetting process",
       "name": "ifx-vetting",
@@ -545,5 +555,5 @@
     }
   ],
   "url": "https://raw.githubusercontent.com/MISP/misp-taxonomies/master/",
-  "version": "20191211"
+  "version": "20200109"
 }

iep2-policy/machinetag.json

@@ -101,7 +101,7 @@
       "predicate": "iep_version",
       "entry": [
         {
-          "value": 2.0,
+          "value": "2.0",
           "expanded": "The IEP version value must be 2.0"
         }
       ]

iep2-reference/machinetag.json

@@ -42,7 +42,7 @@
       "predicate": "iep_version",
       "entry": [
         {
-          "value": 2.0,
+          "value": "2.0",
           "expanded": "The IEP version value must be 2.0"
         }
       ]