add file move operation
move operation with some bugs
Implemented file/folder copy and move operation
remove @SuppressLint(ValidFragment) in BrowserActivity.java
add file move operation
move operation with some bugs
Implemented file/folder copy and move operation
remove @SuppressLint(ValidFragment) in BrowserActivity.java
fix some bugs and merged
fix a bug:instead all tab of spaces
fix some bugs and make the code more readable
use constants from the httpurlconnection class
use the 440 status code in SeafConnection
Merge pull request #93 from asv000/master

Implemented file/folder copy and move operation