- Use yassl_includes and yassl_libs instead of openssl_includes and openssl_libs 
   to avoid that mysql_config returns that libyassl and libtaocrypt are needed for linking. 


client/Makefile.am:
  Add yassl_includes
config/ac-macros/yassl.m4:
  Use own variables for yassl, don't intrude on openssl
configure.in:
  Add yassl_libs to lib_DEPENDENCIES and CLIENT_LIBS
libmysql/Makefile.am:
  Add yassl_includes
libmysql_r/Makefile.am:
  Add yassl_libs and yassl_includes
libmysqld/Makefile.am:
  Add yassl_includes
server-tools/instance-manager/Makefile.am:
  Add yassl includes and lib
sql/Makefile.am:
  Add yassl includes and libe
vio/Makefile.am:
  Add yassl includes and libe