Make GraceLocationSummary() return an empty string instead, if no
expired folders exist in the grace location.

Refers to #1

This is done using a git-hook script generating a text file which is
used as a resource by VS. The pre-build script in VS makes sure the file
is actually existing (using a default string) since otherwise the build
would fail.

Refers to #1

Refers to #1

Refers to #1

Refers to #1

Refers to #1

Catch exceptions in case setting the ACLs fails, make the operation
optional by adding the parameter resetAcls (defaulting to false).

Refers to #16

Using an optional element in the configuration XML, defaulting to "true"
via the configuration class constructor.

Refers to #16

The method checks folders in the grace location for their age (parsing
the folder name timestamp) and generates a report for those older than
the given GracePeriod.

This is related to issue #1

This fixes #12.

Refers to issue #16

Fixes #8

Refers to issue #7

Refers to issue #7

References issue #10