Revert "AWS S3 Encryption Client 1.0.0 Release -- $(date +%Y-%m-%d)"

This reverts commit d0b2902.

Author: J Plasmeier

CHANGELOG.md

@@ -6,7 +6,7 @@
 
   <groupId>software.amazon.encryption</groupId>
   <artifactId>s3</artifactId>
-  <version>1.0.0</version>
+  <version>3.0-SNAPSHOT</version>
   <packaging>jar</packaging>
 
   <name>AWS S3 Encryption Client</name>