Commit Briefs
Fix compilation (tags/v0.2.0)
Add module with additional SQL functions on C
- postmaster_uptime() - db_sys_id() - datadir_fs() - sysinfo()
Update Travis config, add regression tests etc
- travis: validate JSON structure in a report - travis: add osx env but temprarily disable it - regress: add simple sql tests to validate SQL functions - regress: add expected output for sql tests - makefile: add ability to build C module - extension: update sql script