Fixed Bugs

• Support relative image url (fix image broken when site's url has been changed)
• Fix note conflict bugs when update note which contains attachments

Binary release

https://sourceforge.net/projects/leanote-bin/files/2.2

• leanote-darwin-amd64-v2.2.bin.tar.gz
• leanote-linux-386-v2.2.bin.tar.gz
• leanote-linux-amd64-v2.2.bin.tar.gz
• leanote-linux-arm-v2.2.bin.tar.gz
• leanote-windows-386-v2.2.bin.tar.gz
• leanote-windows-amd64-v2.2.bin.tar.gz