Upgrade to Shapeshifter specification 3.1.0#158

tomwetjens wants to merge 1 commit intoshapeshifter:mainshapeshifter/shapeshifter-library-java:mainfrom

tomwetjens:upgrade-to-spec-3.1.0tomwetjens/shapeshifter-library:upgrade-to-spec-3.1.0Copy head branch name to clipboard