[SPARK-5240][SQL] Adding createDataSourceTable interface to Catalog

[scwf]

1 move createDataSourceTable to Catalog as a interface
2 remove DDLStrategy and HiveDDLStrategy by making CreateTempTableUsing and CreateTableUsing follow RunnableCommand
#3960

[SparkQA]

Test build #25515 has started for PR 4036 at commit 4898c57.

• This patch merges cleanly.

[scwf]

/cc @yhuai

[SparkQA]

Test build #25515 has finished for PR 4036 at commit 4898c57.

• This patch passes all tests.
• This patch merges cleanly.
• This patch adds no public classes.

[AmplabJenkins]

Test PASSed.
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Test PASSed.

[scwf]

we'd better using tableidentifier here, after #4062 merged, i will update this