The normal go get protocol is to show the go-import meta tag when ?go-get=1 is appended to the url. This commit implements that behaviour and cleans the go-get option from the repository settings page.

The "PHP" formatting function doesn't add anything, except an undocumented date format.

All usages in the templates have been replaced with DateFmtShort and DateFmtLong for convenience.

The boolean flags in the repo context have been replaced with mode and two methods

Also, the permissions have been brought more in line with https://help.github.com/articles/permission-levels-for-an-organization-repository/ , Admin Team members are able to change settings of their repositories.

cmd/web.go: check version after load config

- conf/locale: update Japanese locale

- routers/admin: add rewrite update hook operation
- conf/locale: update locale file due to ini behavior changes
- cmd/cert_stub.go: remove useless code
- cmd/fix.go: no longer need fix command(at least now)

- conf/locale: add mew translator profile

- templates/user/settings: fix email panel nav highlight

- routers: use new binding convention to simplify code
- templates: able to set HTTP port number in install page

- update russian locale

refs #763

Also, change all current 'emails' to 'e-mails'.
Still todo: some CSS for the user/settings/email page, but that is not my specialty