New macro 'make_install'.

Signed-off-by: Rudá Moura <ruda.moura@gmail.com>
Update many packages at once for Yosemite.

Signed-off-by: Rudá Moura <ruda.moura@gmail.com>
jed: Adopt JED version 0.99-19.

Signed-off-by: Rudá Moura <ruda.moura@gmail.com>
slrn: Adopt version 1.0.2.

Signed-off-by: Rudá Moura <ruda.moura@gmail.com>
most: Adopt version 5.0.0.

Signed-off-by: Rudá Moura <ruda.moura@gmail.com>
gcl: Adopt version 2.6.12.

Signed-off-by: Rudá Moura <ruda.moura@gmail.com>
zlib: Adopt version 1.2.8.

Signed-off-by: Rudá Moura <ruda.moura@gmail.com>