Update to sagemath 6.8

sagemath-gap-hap.patch

@@ -1,7 +1,15 @@
 diff -up src/sage/groups/perm_gps/permgroup.py.orig src/sage/groups/perm_gps/permgroup.py
---- src/sage/groups/perm_gps/permgroup.py.orig	2015-04-03 15:08:05.769403291 -0300
-+++ src/sage/groups/perm_gps/permgroup.py	2015-04-03 15:08:15.296403656 -0300
-@@ -181,8 +181,7 @@ def hap_decorator(f):
+--- src/sage/groups/perm_gps/permgroup.py.orig	2015-10-11 17:56:24.028811706 -0300
++++ src/sage/groups/perm_gps/permgroup.py	2015-10-11 17:58:26.629816401 -0300
+@@ -136,7 +136,6 @@ from sage.groups.perm_gps.permgroup_elem
+ from sage.groups.abelian_gps.abelian_group import AbelianGroup
+ from sage.misc.cachefunc import cached_method
+ from sage.groups.class_function import ClassFunction
+-from sage.misc.package import is_package_installed
+ from sage.sets.finite_enumerated_set import FiniteEnumeratedSet
+ from sage.categories.all import FiniteEnumeratedSets
+ from sage.groups.conjugacy_classes import ConjugacyClassGAP
+@@ -181,8 +180,7 @@ def hap_decorator(f):
      """
      @wraps(f)
      def wrapped(self, n, p=0):
@@ -11,7 +19,29 @@ diff -up src/sage/groups/perm_gps/permgroup.py.orig src/sage/groups/perm_gps/per
          load_hap()
          from sage.rings.arith import is_prime
          if not (p == 0 or is_prime(p)):
-@@ -3943,8 +3942,7 @@ class PermutationGroup_generic(group.Gro
+@@ -1617,9 +1615,7 @@ class PermutationGroup_generic(group.Fin
+         try:
+             return [Integer(n) for n in self._gap_().IdGroup()]
+         except RuntimeError:
+-            if not is_package_installed('database_gap'):
+-                raise RuntimeError("You must install the optional database_gap package first.")
+-            raise
++            raise RuntimeError("gap-hap package not available.")
+ 
+     def id(self):
+         """
+@@ -1670,9 +1666,7 @@ class PermutationGroup_generic(group.Fin
+         try:
+             return Integer(self._gap_().PrimitiveIdentification())
+         except RuntimeError:
+-            if not is_package_installed('database_gap'):
+-                raise RuntimeError("You must install the optional database_gap package first.")
+-            raise
++            raise RuntimeError("gap-hap package not available.")
+ 
+     def center(self):
+         """
+@@ -3959,8 +3953,7 @@ class PermutationGroup_generic(group.Fin
  
          - David Joyner and Graham Ellis
          """