#834 Workspace is not properly synchronized in full shared projects

[Stefan Rossbach]

Create Project layout:

A/src/A.java (both sides)
A/a/b/b.txt (non host)

Upon the first sharing

Only A/a/b/b.txt will be deleted
A/a folder is marked as shared but does not exist on the host side
A/a/b folder is also marked as shared

Second sharing:

folder A/a/b will be deleted

folder A/a still marked as shared

[Stefan Rossbach]

https://github.com/saros-project/saros/commit/7d46d77667e601c5908dd6c1a31c0f6db8358746