Fix list update
fix get_or_create_sp() that may cause a dead lock
make FastI2I.py thread-safe
fix swift process restart problem
no segfault window for swift on Windows
Merge pull request #759 from LipuFei/fix_swift

Fix swift restart problems
Merge pull request #760 from LipuFei/fix_list_update

Fix list update
Merge pull request #756 from LipuFei/fix_swift_next

fix get_or_create_sp() that may cause a dead lock
Update dispersy ref.
Merge pull request #761 from whirm/dispersy_ref

Update dispersy ref.
Do not call close_callback in FastI2I if we want to close swift
In case swift died and we are recovering from that, reregister all the tunnels that existed in the previous session.