[SPARK-4792] Add error message when making local dir unsuccessfully

Author: meiyoula <1039320815@qq.com>

Closes #3635 from XuTingjun/master and squashes the following commits:

dd1c66d [meiyoula] when old is deleted, it will throw an exception where call it
2a55bc2 [meiyoula] Update DiskBlockManager.scala
1483a4a [meiyoula] Delete multiple retries to make dir
67f7902 [meiyoula] Try some times to make dir maybe more reasonable
1c51a0c [meiyoula] Update DiskBlockManager.scala
[SPARK-4841] fix zip with textFile()

UTF8Deserializer can not be used in BatchedSerializer, so always use PickleSerializer() when change batchSize in zip().

Also, if two RDD have the same batch size already, they did not need re-serialize any more.

Author: Davies Liu <davies@databricks.com>

Closes #3706 from davies/fix_4841 and squashes the following commits:

20ce3a3 [Davies Liu] fix bug in _reserialize()
e3ebf7c [Davies Liu] add comment
379d2c8 [Davies Liu] fix zip with textFile()