REST API Create table

Adds method 'create_table' to RESTful API

Implements blueprint: os-restful-api-create-table
Change-Id: Ic74649667a7fbee517b03ec27014f4b0dae6ed23
Adds unittests for create_table and list_table

Change-Id: Ie5ce0238f4c589aa7cefaa3f60477601df682f32
Partial-Bug: #1294078