Bcloud

* Fixed: check file is empty or not before downloading it
* Add SIDEBAR class to treeview
* Fixed: wrong parameter in get_token()
* Fixed: failed to check isdir option in SharePage
* remove Gio package
* i18n updated

* Feature: add share-page
* Feature: support appindicator in Ubuntu Unity desktop
* Commit database in background
* i18n updated

* Feature: validate filepath
* Feature: add popup menu in DownloadPage
* Feature: add "Upload Folders" menu item; https://github.com/LiuLang/bcloud/issues/39
* Remove deprecated icons; add some new icons
* Fixed: NameErro, name Status is not defined; validate upload file path, https://github.com/LiuLang/bcloud/issues/70
* Fixed: NameError: name 'abspath' is not defined in NewFolderDialog
* Fixed: go-home-symbolic icon is missing in Debian 7
* Fixed: failed to handle file drop action; https://github.com/LiuLang/bcloud/issues/39
* Fixed: remove task from upload db when remove-button is clicked
* i18n updated

* Feature: add navigation button to path box; https://github.com/LiuLang/bcloud/pull/74, https://github.com/LiuLang/bcloud/pull/80
* Feature: support drag and drop in IconWindow
* Feature: save view mode in IconWindow
* Feature: show avatar
* Fixed: show default app_info in popup menu
* Fixed: failed to load bcloud/bcloud.png; https://github.com/LiuLang/bcloud/pull/78
* Fixed: TypeError: unknown type(null) in DownloadPage
* i18n updated

* Change url request timeout from 30s to 50s
* Change log level from DEBUG to INFO
* Set max downlaod retries to 10
* Set max segments of download to 10
* Update icons in IconView in order
* Set connection timeout to 60s by default
* Fixed: TypeError: Argument 1 does not allow None as a value
* Remvoe test code

* Fixed: 'CloudPage' object has not attribute 'on_remove_button_clicked'
* Fixed: 'App' object has no attribute 'home_page'
* Fixed: failed to check file downloaded signal
* Fixed: check task exists in task list
* Fixed: catch truncate() exception
* Fixed: emit network-error signal when socket timed out
* Fixed: type object 'State' has no attribute 'UPLOADING'; reported by yui133107
* Fixed: 'NoneType' object has no attribute 'value'
* Feature: use new UI style in gtk-3.12
* Feature: Signin Dialog redesigned
* Feature: replace WAP API with passport API
* Feature: use single thread when downloading small files
* Add log module
* Simplify download speed calculation
* Redesign download speed label
* Support Linut Mint 17
* Not work with Ubuntu 12.04 any more
* Using PKCS1_v1_5 as RSA encrypt method
* i18n updated