complete account scenario.
apply email validation check option.
- email shoul be end with '@lge.com'
- but, it is uncomfortable.
- so, make check option, just '@lge.com' is valid or all email is valid.
refactoring account.
complete static pages
- schedule
- terms and conditions
this is working set of contest function.
make code to create contest.
- server side basic functionality complete.
- client side basic expression complete.
- TODO:
  - update server side error handling.
  - update client side error handling.
  - seperate contest list template.
  - make clean template design.
make full set of contest
- contest(s)
- contest problem(s)
- problem's input/output pair(s)
bugfix db models.py
- app_label shoul be a name of app.
- sensitive about letter case.
make new models.
update dashboard design.
complete basic functionalities
- download random data set
- upload compitition's output
- update score
complete basic functions.
fix some links.
update
- add d-day count page
- if competition solve problem,
  hide solve-it button and show 'You did it !!'.
refactoring design.
base code of i18n.
bugfix
change word UTC to KST in 2014_schedule.html template file.
refactoring templates.
- make 2014_base.html which common part of 2014_schedule.html and
  2014_base.html
update template
- home.html use 2014_base.html
- seperate footer.html
- change home links
- bugfix