Moved mock block data to last blocks of sync to avoid id changes in some...

Moved mock block data to last blocks of sync to avoid id changes in some tests. Fixed get_state tests with head block and head time from mock data.

mock_data/block_data/follow_op/mock_block_data_follow.json

 {
-  "100000": {
-    "previous": "",
-    "timestamp": "",
+  "4999999": {
+    "previous": "004c4b3e03ea2eac2494790786bfb9e41a8669d9",
+    "timestamp": "2016-09-15T19:47:24",
     "witness": "",
     "transaction_merkle_root": "",
     "extensions": [],
@@ -219,13 +219,13 @@
         ]
       }
     ],
-    "block_id": "",
+    "block_id": "004c4b3fc6a8735b4ab5433d59f4526e4a042644",
     "signing_key": "",
     "transaction_ids": []
   },
-  "100001": {
-    "previous": "",
-    "timestamp": "",
+  "5000000": {
+    "previous": "004c4b3fc6a8735b4ab5433d59f4526e4a042644",
+    "timestamp": "2016-09-15T19:47:24",
     "witness": "initminer",
     "transaction_merkle_root": "",
     "extensions": [],
@@ -294,7 +294,7 @@
         ]
       }
     ],
-    "block_id": "",
+    "block_id": "004c4b40245ffb07380a393fb2b3d841b76cdaec",
     "signing_key": "",
     "transaction_ids": []
   },

tests_api @ 46409462

-Subproject commit 819563bf5c43f0d7620b4be6e2a33df86dd168e4
+Subproject commit 4640946229bce481c03f64bea01d97588340a213