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/openmpi/package.py

@@ -201,7 +201,7 @@ class Openmpi(AutotoolsPackage):
 
     depends_on('hwloc')
     depends_on('hwloc +cuda', when='+cuda')
-    depends_on('jdk', when='+java')
+    depends_on('java', when='+java')
     depends_on('sqlite', when='+sqlite3@:1.11')
 
     conflicts('+cuda', when='@:1.6')  # CUDA support was added in 1.7
@@ -308,7 +308,7 @@ def configure_args(self):
                 config_args.extend([
                     '--enable-java',
                     '--enable-mpi-java',
-                    '--with-jdk-dir={0}'.format(spec['jdk'].prefix)
+                    '--with-jdk-dir={0}'.format(spec['java'].prefix)
                 ])
             else:
                 config_args.extend([