update combine to 0.55
combine : delete meta|install instructions from package
combine : wrong md5
combine : delete patch in opam file
Merge pull request #1933 from camlunity/master

update objsize and mldonkey
New release of PPrint.
PPrint checksum update.
combine : add missing meta
async_inotify doesn't support inotify 2.0 yet
Merge pull request #1934 from fpottier/master

New release of PPrint.
Merge pull request #1932 from remyzorg/master

update combine to 0.55
Remove inotify 1.1, 1.2 and 1.3 as the archives are not available anymore.
Merge pull request #1936 from samoht/master

Remove inotify 1.1, 1.2 and 1.3 as the archives are not available anymor...
Merge pull request #1935 from janestreet/master

async_inotify doesn't support inotify 2.0 yet
+ sqlgg 0.2.5