pgsql: Remove anonymous cvs instructions, and replace them with instruc

Remove anonymous cvs instructions, and replace them with instructions
for git. Change other references from cvs to git as well.

Branch
------
REL8_4_STABLE

Details
-------
http://git.postgresql.org/gitweb?p=postgresql.git;a=commitdiff;h=35b2f93e712bf66b07d0649f8c0de7e4f2ad8bc5

Modified Files
--------------
doc/src/sgml/acronyms.sgml      |    2 +-
doc/src/sgml/cvs.sgml           |  271 ---------------------------------------
doc/src/sgml/filelist.sgml      |    2 +-
doc/src/sgml/install-win32.sgml |    2 +-
doc/src/sgml/installation.sgml  |   10 +-
doc/src/sgml/postgres.sgml      |    2 +-
doc/src/sgml/problems.sgml      |    4 +-
doc/src/sgml/release.sgml       |    6 +-
doc/src/sgml/sourcerepo.sgml    |   93 +++++++++++++
9 files changed, 106 insertions(+), 286 deletions(-)