refresh
refresh fragment when account changed
test
0818 imagehandler
save, load, list files
Merge branch 'lowlow'

Conflicts:
	src/nthu/qrcode/qrapp2/http/HttpAsyncTask.java
Merge branch 'master' of https://github.com/ylc1218/Qrapp2

Conflicts:
	src/nthu/qrcode/qrapp2/MainActivity.java
	src/nthu/qrcode/qrapp2/http/HttpAsyncTask.java
	src/nthu/qrcode/qrapp2/http/HttpDownloadImage.java
Merge branch 'master' into lowlow

Conflicts:
	src/nthu/qrcode/qrapp2/MainActivity.java