refactored EmailService into a split of CommunicationService (contact syncs) and EmailService (email conduit only) + MBT's impl #1334

	# This workflow will build a Java project with Maven
	# For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-maven

	name: Java CI with Maven

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	jobs:
	build:

	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2
	- name: Set up JDK 16
	uses: actions/setup-java@v2
	with:
	java-version: '16'
	distribution: 'adopt'
	- name: Cache Maven packages
	uses: actions/cache@v2
	with:
	path: ~/.m2
	key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
	restore-keys: ${{ runner.os }}-m2
	- uses: s4u/[email protected]
	with:
	servers: '[{ "id": "github", "username": "impactupgrade-github", "password": "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" }]'
	- name: Build with Maven
	run: mvn --update-snapshots clean verify -P it,sandbox

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