gradle.js fix versionRegex to handle prerelease#265

atimonin wants to merge 2 commits intoabsolute-version:masterabsolute-version/commit-and-tag-version:masterfrom

atimonin:fix/grale-updater-prereleaseatimonin/commit-and-tag-version:fix/grale-updater-prereleaseCopy head branch name to clipboard