Fixed issue - Unsupported FROM (tomcat:7.0.82)

From https://github.com/convertigo/docker/issues/2

library/convertigo

@@ -1,6 +1,6 @@
 Maintainers: Nicolas Albert <[email protected]> (@nicolas-albert), Olivier Picciotto <[email protected]> (@opicciotto)
 GitRepo: https://github.com/convertigo/docker
-GitCommit: 1b3f1092aae7fbfd1094fb169be1e74f0902a164
+GitCommit: ade9f4f55e8cefa91200b9b8e58e5b48dd1ccd16
 
 Tags: 7.5.0, 7.5, latest
 Architectures: amd64, arm32v7, arm64v8, i386