Add a new package for IcedTea (#4804)

* alsa-lib: new package

* cups: new package

* icedtea: new package

* icedtea: adding JAVA_HOME variable

* alsa: removing placeholder

* icedtea: typo fix

* alsa: fixing formattting

* icedtea: formatting fixes and cleanup

* icedtea: additional cleanup

* jdk: adding provides('java') to jdk, setting jdk to default java.

* icedtea: adding jdk as a dependency

* java: changing depends_on('jdk') and similar entries to depends_on('java')

* icedtea: removing unused imports, trying to placate flake8.

* fastqc: fixing flake8 error

* bazel: fixing typo in java dependency

* jdk: changing provides java to a range

* icedtea: cleaning up. Splitting up checksums.

* icedtea: jdk dependency is build only

var/spack/repos/builtin/packages/ant/package.py

@@ -41,7 +41,7 @@ class Ant(Package):
     version('1.9.7',  'a2fd9458c76700b7be51ef12f07d4bb1')
     version('1.9.6',  '29b7507c9053e301d2b85091f2aec6f0')
 
-    depends_on('jdk')
+    depends_on('java')
 
     def install(self, spec, prefix):
         env['ANT_HOME'] = self.prefix