enable to change background height
add close button
add close button
change logo
Merge pull request #248 from ICTKyouikukei2013/kosuke/addlogo

Kosuke/addlogo
Merge pull request #249 from ICTKyouikukei2013/yamamoto/graph

Yamamoto/graph
add close button
Merge pull request #250 from ICTKyouikukei2013/kosuke/addclosebtn

add close button
chenge graph position