Remove unnecessary build files from repository

Remove unnecessary files in the repository and add boostrap.sh to create the
configure file and other files we are removing here. Users have to run
bootstrap.sh to have those files created in their build environment.
Update the INSTALL instructions.

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Acked-by: Corey Bryant <coreyb@linux.vnet.ibm.com>
Add .gitignore

Add .gitignore file to ignore certain files in the repository.

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Acked-by: Corey Bryant <coreyb@linux.vnet.ibm.com>
Build dll on cygwin and build OpenSSL build cleanup

Fix the build process to build a dll on cygwin and remove
freebl specific shell calls when building for OpenSSL.

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Acked-by: Corey Bryant <coreyb@linux.vnet.ibm.com>