add course.course_wares_count
add course.get_update_status
fix #112
fix prev commit
Merge branch 'master' into bgmaster
fix #119
fix #123
fix #118
Add sql_steps migration
Init sql_step factory data and rspec
Fix sql_step factory data
Add relatino between sql_step and course_ware
Fix sql_step object creation
Init sql_steps_run rspec
Init run method of sql_step
Fix sql run rspec
Delete rspec
incorrect sql rpsec in sql_step_run
Delete temp sql_step_run directores
Fix remove of temp directories