Massive conversion from Package to AutotoolsPackage (#2845)

* Massive conversion from Package to AutotoolsPackage

* Forgot to convert p4est to AutotoolsPackage

* Fix typo

* Fix broken link in docs

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

@@ -25,7 +25,7 @@
 from spack import *
 
 
-class Zeromq(Package):
+class Zeromq(AutotoolsPackage):
     """ The ZMQ networking/concurrency library and core API """
     homepage = "http://zguide.zeromq.org/"
     url      = "http://download.zeromq.org/zeromq-4.1.2.tar.gz"
@@ -40,8 +40,5 @@ class Zeromq(Package):
     depends_on("libsodium")
     depends_on("libsodium@:1.0.3", when='@:4.1.2')
 
-    def install(self, spec, prefix):
-        configure("--with-libsodium", "--prefix=%s" % prefix)
-
-        make()
-        make("install")
+    def configure_args(self):
+        return ['--with-libsodium']