move algos*.in, index*.in, hashtable*.in to libs

Author: jreback

pandas/src/algos_common_helper.pxi.in renamed to pandas/libs/algos_common_helper.pxi.in

@@ -110,12 +110,12 @@ def is_platform_mac():
 
 
 _pxi_dep_template = {
-    'algos': ['src/algos_common_helper.pxi.in', 'src/algos_groupby_helper.pxi.in',
-               'src/algos_take_helper.pxi.in', 'src/algos_rank_helper.pxi.in'],
+    'algos': ['libs/algos_common_helper.pxi.in', 'libs/algos_groupby_helper.pxi.in',
+               'libs/algos_take_helper.pxi.in', 'libs/algos_rank_helper.pxi.in'],
     'join': ['libs/join_helper.pxi.in', 'libs/join_func_helper.pxi.in'],
-    'hashtable': ['src/hashtable_class_helper.pxi.in',
-                   'src/hashtable_func_helper.pxi.in'],
-    'index': ['src/index_class_helper.pxi.in'],
+    'hashtable': ['libs/hashtable_class_helper.pxi.in',
+                   'libs/hashtable_func_helper.pxi.in'],
+    'index': ['libs/index_class_helper.pxi.in'],
     'sparse': ['sparse/sparse_op_helper.pxi.in'],
 }