Allow setting of input encoding format for script files and templates

git-svn-id: svn://svn.code.sf.net/p/schemacrawler/code@2651 3243f2e7-4e1b-42d2-9742-d984016aa316
git-svn-id: svn://svn.code.sf.net/p/schemacrawler/code@2652 3243f2e7-4e1b-42d2-9742-d984016aa316