Move running of vcprompt into own function
Fix bug when format string has a trailing '%'

The check for a trailing percent sign would not trigger, because it
checks for the character '0' instead of \0.
update contributor list
Check for wc.db first

This enables support for newer svn repositories which don't have a
.svn/entries file anymore
Simplify svn_get_info()'s error handling
Add test for missing ".svn/entries"
Add infrastructure for vcpromptignore
Implement vcpromptignore for svn, git, hg and fossil
Add tests for vcpromptignore
Update docs for vcpromptignore
Fall back to revision for svn branch
Also fall back for subdirectories
Merge branch 'svn-branch'

* svn-branch:
  Also fall back for subdirectories
  Fall back to revision for svn branch
Merge branch 'svn-1.8-entries'

* svn-1.8-entries:
  Add test for missing ".svn/entries"
  Simplify svn_get_info()'s error handling
  Check for wc.db first

Conflicts:
	src/svn.c