csync_statedb: Fix wrong % code in debug output

%ld is for long, but int64_t is larger than long on windows
propagator:  do not update perent directory etag before sub directories are removed

Direcotries are removed at the end, and we don't want to update
parent directory etag before the delete is performed, or the next
sync may read from db and think the files are not removed.

Issue #1845
propagator: Ignore new directory inside removed directory.

This fixes te bug if one create a tree of folders and subfolders
and delete them while they are uploading. Some folder would
reappears
[Janitor] Bump version to 1.6.1pre
Add version and product information to installer properties
Merge branch '1.6'
[Janitor] Bump version on master to 1.7.0prealpha