Install : fix possible problem when user write "y" or "n" on name folder to create.  * libinstall/functions: Add a simple test to rejet "y" or "n" response
Install : fix possible problem when user write "y" or "n" on name folder to create.
 * libinstall/functions: Add a simple test to rejet "y" or "n" response

git-svn-id: 25a0ac75d3222d69293b2750b310215dcabd6451@5240 6bcd3966-0018-0410-8128-fd23d134de7e

centreon/centreon,centreon/centreon,centreon/centreon,centreon/centreon,centreon/centreon,centreon/centreon,centreon/centreon