fix skip creating c-store tables if already exists

fix year partition intervals

Updated readme file, removed unused declarations

fix bug

support for table inheritance for PG >= 9.5, move single partition to foreign cstore table with inheritence and checks

added gitignore

added LICENSE file

added cstore_fdw options to configuration table, fix bug wrong server name

fix bug creating view

fix typo

add doc file

add usage example

move text

add few lines to readme

change code block to sql code block