Updated the Logtalk Windows installer in order to detect the ECLiPSe 6.1 version. If both 6.0 and 6.1 versions are installed, the installer creates a shortcut for using version 6.1 as the back-end Prolog compiler.
Updated the Logtalk Windows installer in order to detect the ECLiPSe 6.1 version. If both 6.0 and 6.1 versions are installed, the installer creates a shortcut for using version 6.1 as the back-end Prolog compiler.

git-svn-id: 4c7b768bc2e2a56aa1c56b1b5a9454ba68342430@5295 ac9c905b-388a-4ddf-9b6a-4063a022bc57

LogtalkDotOrg/logtalk2,LogtalkDotOrg/logtalk2,LogtalkDotOrg/logtalk2,LogtalkDotOrg/logtalk2,LogtalkDotOrg/logtalk2