Package setup: Information

- Dropped /etc/csh.* (closes: #33676).
- /etc/profile.d/proxy.*sh: learned no_proxy env (closes: #33258).
- Updated /etc/services (closes: #33630).
- Updated /etc/protocols (closes: #32052).
- /etc/profile.d/lang.*sh: added /etc/locale.conf as one more source of locale settings (closes: #28527).
- /etc/profile: do not add /usr/X11R6/bin to $PATH (see ALT#11699).
- /etc/exports: renamed portmap to rpcbind in the comment (closes: #26000).

- /etc/services: added portbind and quotad/rquotad (closes: #24245).

- /etc/profile.d/lang.*sh: do not source i18n files if
  non-empty LANG is already set (closes: #11814).
- /etc/services: updated SANE entries (closes: #13071).
- /etc/inputrc: added bindings for xterm ctrl-arrows (closes: #15628).
- /etc/profile.d/tmpdir.*sh: do not create ~/tmp directory (closes: #19014).
- /etc/filesystems: replaced obsolete content with a comment hinting
  on the purpose of this file (closes: #21082).
- /etc/inputrc: added bindings for history search (closes: #22570).
- /etc/securetty: added xvc0 for xen virtual console (closes: #23532).