mosh: link against brewed openssl

Also bump revisions to 2
mosh: replace single quotes to double quotes

following the latest standard of homebrew

and in additional, use "make", "install" to replace "make install"
mosh: add build-time check option
mosh: use https link and sha256sum checksum for source tarball
mosh: add a simple test case
mobile-shell: add 1.2.4_2 bottle.