Updates for May release challenge

https://software.topcoder.com/review/actions/ViewProjectDetails?method=viewProjectDetails&pid=30186299

Author: jmgasper

Diff for: .gitlab-ci.yml

@@ -6,9 +6,6 @@ variables:
   APP_TITLE: "topcoder x app"
   NODE_ENV: development
 
-services:
-  - mongo
-
 cache:
   paths:
   - node_modules/
@@ -60,5 +57,4 @@ deploy_stage:
     url: $HEROKU_STAGING_URL
 variables:
   GIT_STRATEGY: fetch
-  GIT_SUBMODULE_STRATEGY: recursive
-  MONGODB_URI: mongodb://mongo:27017/topcoderx'
+  GIT_SUBMODULE_STRATEGY: recursive

Diff for: DynamoDBMigration.md

@@ -3,7 +3,7 @@
 ## Requirements
 
 - Nodejs 8 is required
-- MongoDB 3.2
+- DynamoDB
 - kafka
 - nodemon (for local development)
 
@@ -69,10 +69,9 @@ Server should be started at port 80.
 Follow the below steps to deploy the app to heroku
 1. `heroku login`
 2. `heroku create`
-3. `heroku addons:create mongolab`
-4. `heroku config:set NPM_CONFIG_PRODUCTION=false` so that heroku will install dev dependencies
-5. `git push heroku master` or `git push heroku develop:master` to deploy develop branch
-6. `heroku open` to load the app on browser
+3. `heroku config:set NPM_CONFIG_PRODUCTION=false` so that heroku will install dev dependencies
+4. `git push heroku master` or `git push heroku develop:master` to deploy develop branch
+5. `heroku open` to load the app on browser
 
 Note: heroku domain should match subdomain of topcoder-dev or topcoder depending upon target topcoder environment
 

Diff for: README.md

@@ -22,7 +22,7 @@ Topcoder-X comprises 3 pieces:
 * Topcoder-X Processor that handles the messages created by the receiver.  The processor handles the interactions with the Topcoder platform, via the Topcoder challenge API, and it also handles adding comments back to Github / Gitlab when things are updated on the Topcoder challenge.
 * Topcoder-X UI that allows copilots and others to manage the Topcoder-X integrations with Github and Gitlab projects.  The user can add new Github and Gitlab integrations, including setting up default webhooks and labels for issues, all through the UI.
 
-All 3 pieces will be configured to use the same MongoDB and Kafka installations.
+All 3 pieces will be configured to use the same DynamoDB and Kafka installations.
 
 
 ## DynamoDB