SCB-346 Prepare 1.0-m1 release

[yangbor]

For generating alpha-server single jar:

cd alpha/alpha-server
mvn clean install spring-boot:repackage

For generating the client dependency and demo package:

cd saga-distribution
mvn clean package -Prelease

Follow this checklist to help us incorporate your contribution quickly and easily:

• Make sure there is a JIRA issue filed for the change (usually before you start working on it). Trivial changes like typos do not require a JIRA issue. Your pull request should address just this issue, without pulling in other changes.
• Each commit in the pull request should have a meaningful subject line and body.
• Format the pull request title like [SCB-XXX] Fixes bug in ApproximateQuantiles, where you replace SCB-XXX with the appropriate JIRA issue.
• Write a pull request description that is detailed enough to understand what the pull request does, how, and why.
• Run mvn clean install to make sure basic checks pass. A more thorough check will be performed on your pull request automatically.
• If this contribution is large, please file an Apache Individual Contributor License Agreement.

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[coveralls]

Coverage remained the same at 95.264% when pulling fbb0dd5 on yangbor:master into 16e224c on apache:master.