Simplify source.sh, fix dependencies and add package license

pkg.info

@@ -1,10 +1,10 @@
 name: dejagnu
 description: Test suite framework for other programs
 version: 1.6.3
-revision: 2
+revision: 3
 url: https://www.gnu.org/software/dejagnu/
 license: GPL
 architecture: any
-depends: ["expect","bash"]
-make_depends: ["bash","coreutils","diffutils","expect","gcc","grep","make","sed","texinfo"]
+depends: ["expect","sh"]
+make_depends: ["tcl"]
 type: source