Copy the META file with the library.

Signed-off-by: Jerome Maloberti <jmaloberti@gmail.com>
Install .cmti files if they are available.

Signed-off-by: Jerome Maloberti <jmaloberti@gmail.com>
Improve implementation of install library.

Signed-off-by: Jerome Maloberti <jmaloberti@gmail.com>
Generates .install for opam for lib and bins.

Signed-off-by: Jerome Maloberti <jmaloberti@gmail.com>
Install libs and opam.install are mutually exclusive.

Signed-off-by: Jerome Maloberti <jmaloberti@gmail.com>