[FIX] replace a few more references to trunk with master

doc/git.rst

@@ -70,14 +70,14 @@ Basic development workflow
 * update your remotes with ``git fetch --all``
 * create your development branch with ``git checkout -b <branch_name>
   <source_branch>``. For instance if you wanted to add support for full-text
-  search in trunk you could use ``git checkout -b trunk-fts-xxx odoo/master``
+  search in master you could use ``git checkout -b master-fts-xxx odoo/master``
 * do your changes, stage them with ``git add`` and commit them with ``git
   commit``
 * if your branch is long-lived, you may want to update it to its parent
 
   - update the remotes with ``git fetch --all``
   - merge the remote branch into the local one with ``git merge --no-ff
-    odoo/trunk``
+    odoo/master``
 
 * to push the branch to the development repository, use ``git push -u dev
   <branchname>``, this will automatically create a branch called