[buteo-syncfw] Revert "[buteo-syncfw] Update permissions for cache dir."

This reverts commit 23d44ef3f37f45a0bc89831a54e04056fb1fc6f4.
Merge pull request #37 from chriadam/revertoneshot

[buteo-syncfw] Revert "[buteo-syncfw] Update permissions for cache dir."
Bump version
[buteo-syncfw] Use timer for checking session state.

This fixes a 10 sec. freeze in UI during certain conditions.
Merge pull request #39 from lpotter/master

[buteo-syncfw] Use timer for checking session state.
bump version to 0.6.30
[buteo-syncfw]  fix null pointer crash

stop timer when not needed
Merge pull request #40 from lpotter/master

[buteo-syncfw]  fix null pointer crash
bump version to 0.6.31