add code to draw canvas
add course option hiding for B1 grade
remove profile tag in personal-log page
Merge pull request #217 from ICTKyouikukei2013/kamiya/fix

fix HTML-based tests
Merge pull request #218 from ICTKyouikukei2013/kamiya/ui

modify course option for B1 grade
modify course selection for B1, B2, and M in profile page
fix initial course selection when re-editing profile
fix error when selecting faculty in profile page
Merge pull request #220 from ICTKyouikukei2013/kamiya/ui

modify course selection for B1, B2, and M in profile page
add move triangle function
Merge pull request #222 from ICTKyouikukei2013/kosuke/html

add move triangle function
revise grade and course selections
Merge pull request #223 from ICTKyouikukei2013/kamiya/ui

revise grade and course selections
modify model and model's test cases
follow-up to changes in data structures
update todo comments
Merge pull request #224 from ICTKyouikukei2013/kamiya/db

データ構造の変更
add new error-code test
Merge branch 'master' into yamamoto/graph
add to create graph method in goal-page