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/glog/package.py

@@ -25,15 +25,10 @@
 from spack import *
 
 
-class Glog(Package):
+class Glog(AutotoolsPackage):
     """C++ implementation of the Google logging module."""
 
     homepage = "https://github.com/google/glog"
     url      = "https://github.com/google/glog/archive/v0.3.3.tar.gz"
 
     version('0.3.3', 'c1f86af27bd9c73186730aa957607ed0')
-
-    def install(self, spec, prefix):
-        configure("--prefix=" + prefix)
-        make()
-        make("install")