opam-installer: bug-fixes
Do not use which anymore.
Merge pull request #1055 from AltGr/refs/heads/opam-installer-fixes

Fixed some bugs
Merge pull request #1060 from vbmithr/master

Use env variable OPAMCURL directly when given, do not try to use which o...
Always generate <opamroot>/opam-init/init.*sh at init
only the ~/.{profile,ocaml-init} need to be asked for. Fixes #1011
opam switch list: improved documentation
Closes #1021
Merge pull request #1061 from vbmithr/nowhich

Do not use which anymore.
Merge pull request #1068 from AltGr/fix-init.sh

Always generate <opamroot>/opam-init/init.*sh at init
Merge pull request #1069 from AltGr/switch-list-doc

opam switch list: improved documentation
Fixed error messages on patch errors
Closes #987, #988
Merge pull request #1070 from AltGr/patch-errors

Fixed error messages on patch errors
Fixed warnings with unknown dependencies/depopts
Closes #1015
Merge pull request #1079 from AltGr/fix-warning-depopts

Fixed warnings with unknown dependencies/depopts
Added `opam status report to help users give meaningful bug reports

Closes #1034
Merge pull request #1080 from AltGr/opam-config-report

Added `opam status report` to help users give meaningful bug reports
Updated CHANGES
Confirm init in a non-empty, non-opam dir
and don't delete the directory on abort or error after confirmation

Fixes #974, thanks for reporting
Merge pull request #1081 from AltGr/fix-init-rm-rf

Confirm init in a non-empty, non-opam dir
Do not reinstall dev packages on upgrade when package names are specified
Fixes #1001. Thanks for reporting !
update CONTRIBUTING to ask for `opam config report`