Unify help message in wsprovide.bat and wsprovide.sh

Description of problem:
Unify help message in wsprovide.bat and wsprovide.sh

Steps to Reproduce:
1. On windows: wsconsume.bat -h
2. On linux: wsconsume.sh -h

Actual results:
On windows:
...
usage: WSProvide [options] <endpoint class name>
...

On linux:
...
usage: wsprovide.sh [options] <endpoint class name>
...

Expected results on Windows:
...
usage: wsprovide.bat [options] <endpoint class name>
...