Resolve "Release v0.1"

Closes #20 (closed), #13 (closed)

formats/encoded.py

         },
         "data": {
             "type": "string",
-            "description": "Base64 encoded string",
-            "contentEncoding": "base64",
+            "description": "encoded string. E.g. Base64 encoded",
             "example": "SDQke4uwyP/YQQAgAhA2AND/nu8nvQAAAAAAAAAACtejPa5HHUGkcB"
             + "AAAAIAAAAQAAAAAAAAAA9P2cP166ab+9cg==",
         },

project/soar/swagger.json

          "mission_plan_encoded":{
             "properties":{
                "data":{
-                  "contentEncoding":"base64",
-                  "description":"Base64 encoded string",
+                  "description":"Encoded string. E.g.: base64 encoded",
                   "example":"SDQke4uwyP/YQQAgAhA2AND/nu8nvQAAAAAAAAAACtejPa5HHUGkcBAAAAIAAAAQAAAAAAAAAA9P2cP166ab+9cg==",
                   "type":"string"
                },
          "observation_encoded":{
             "properties":{
                "data":{
-                  "contentEncoding":"base64",
-                  "description":"Base64 encoded string",
+                  "description":"Encoded string. E.g. base64 encoding",
                   "example":"SDQke4uwyP/YQQAgAhA2AND/nu8nvQAAAAAAAAAACtejPa5HHUGkcBAAAAIAAAAQAAAAAAAAAA9P2cP166ab+9cg==",
                   "type":"string"
                },
          "platform_status_encoded":{
             "properties":{
                "data":{
-                  "contentEncoding":"base64",
-                  "description":"Base64 encoded string",
+                  "description":"Encoded string. E.g. base64 encoding",
                   "example":"SDQke4uwyP/YQQAgAhA2AND/nu8nvQAAAAAAAAAACtejPa5HHUGkcBAAAAIAAAAQAAAAAAAAAA9P2cP166ab+9cg==",
                   "type":"string"
                },