gnu: Add git.

* gnu/packages/version-control.scm (git): New variable.

gnu: Rename "libapr" to "apr" and "libaprutil" to "apr-util".

* gnu/packages/apr.scm: Rename file from libapr.scm.
* gnu/packages/patches/apr-skip-getservbyname-test.patch: Rename file
    from libapr-skip-getservbyname-test.patch.
* gnu-system.am (GNU_SYSTEM_MODULES): Rename module libapr to apr.
* gnu-system.am (dist_patch_DATA): Rename patch file.
* gnu/packages/apr.scm (apr): Rename from libapr.
* gnu/packages/apr.scm (apr-util): Rename from libaprutil, change
    input name.
* gnu/packages/version-control.scm (subversion): Change input name.

gnu: subversion: Fetch over plain HTTP.

* gnu/packages/version-control.scm (subversion): Use the http:// URL
  to work around <http://bugs.gnu.org/14884>.  Reported by Mark Weaver
  and Andreas Enge.

gnu: Add GNU vc-dwim.

* gnu/packages/version-control.scm (vc-dwim): New variable.

Merge branch 'master' into core-updates

Conflicts:
	gnu/packages/make-bootstrap.scm

gnu: Move subversion with the other version control systems.

* gnu/packages/subversion.scm: Remove file.
* gnu/packages/version-control.scm (subversion): New variable.
* Makefile.am (MODULES): remove subversion.scm.

gnu: Add CVS.

* gnu/packages/version-control.scm (cvs): New variable.

gnu: Add GNU RCS.

* gnu/packages/bazaar.scm: Rename to...
* gnu/packages/version-control.scm: ... this.
  (rcs): New variable.
* Makefile.am (MODULES): Adjust accordingly.

gnu: Sync synopses with the Womb.

* gnu/packages/bazaar.scm (bazaar): Use synopsis from the Womb.
* gnu/packages/gv.scm (gv): Likewise.

gnu: Add GNU Bazaar.

* gnu/packages/bazaar.scm: New file.
* Makefile.am (MODULES): Add it.