add ruby-devel dependency in redhat

Signed-off-by: Frederic Descamps <lefred.descamps@gmail.com>
add mysql-devel package

Signed-off-by: Frederic Descamps <lefred.descamps@gmail.com>
devel definition

Signed-off-by: Frederic Descamps <lefred.descamps@gmail.com>
mysql devel

Signed-off-by: Frederic Descamps <lefred.descamps@gmail.com>
add the package

Signed-off-by: Frederic Descamps <lefred.descamps@gmail.com>
remove dep for mysql-devel

Signed-off-by: Frederic Descamps <lefred.descamps@gmail.com>
test

Signed-off-by: Frederic Descamps <lefred.descamps@gmail.com>
test

Signed-off-by: Frederic Descamps <lefred.descamps@gmail.com>
add debug info ;)

Signed-off-by: Frederic Descamps <lefred.descamps@gmail.com>