3.8, USB fixes, stability fixes and USB stability fixes :)

Changes in this release:

• fixed default mode for fuse files (0644)
• refresh files after operation queue flushes (fixes some rare file list update issue)
• added rm-id command to mtp-aft-cli
• reset USB device and halt condition before connection
• handle Ctrl-C when transferring files
  Travis CI build log: https://travis-ci.org/whoozle/android-file-transfer-linux/builds/533985237/