kiji-hive-adapter: KIJIHIVE-40. Escape all column names to avoid Hive reserved words in DDL statement generation.

Signed-off-by: Daisy Zhou <daisy@wibidata.com>
commit: https://github.com/kijiproject/kiji-hive-adapter/commit/b7f04332cecaceaa3a8159eb4b209a7276ed9958