[postgis] (7 commits) ...require pgsql version used for building

[Nils Philippsen]

Summary of changes:

  662e264... Initialize branch F-13 for postgis (*)
  90e1d16... Update to 1.5.1. (*)
  d00e442... dist-git conversion (*)
  a7684b4... Merge branch 'f13'
  3a5c62d... remove obsolete loader-makefile patch
  ddb0dc4... cope with PostgreSQL 9.0 build environment
  7e5b6b7... require pgsql version used for building

(*) This commit already existed in another branch; no separate mail sent