Merge pull request #14 from Redmain/rakvium

rakvium
ADD: add migrates
Merge pull request #15 from Redmain/redmain

ADD: add migrates
ADD: add model question(functioning)
Merge pull request #16 from Redmain/redmain

ADD: add model question(functioning)
ADD: add spec
Merge pull request #18 from Redmain/redmain

ADD: add spec
DELETE: delete line in spec_helper
Merge pull request #19 from Redmain/redmain

DELETE: delete line in spec_helper
FIX: fix @questions in index
Merge pull request #20 from Redmain/redmain

FIX: fix @questions in index
DELETE: delete migrates
Merge pull request #21 from Redmain/redmain

DELETE: delete migrates
ADD: add migrates
Merge pull request #23 from Redmain/redmain

ADD: add migrates