Several bugfixes (getpic.c, accepted but canceled issues, ...); Listing of available policies

- Bugfixes in fastpath/getpic.c (related to crashes since alpha5)
- Respect Content-Types of images in database
(needs database update, as Content-Type was incorrectly stored by previous versions)
- Typo fixed in help messages
- RSS-Feed (currently only after manual authentication while session is valid)
- Listing of available policies
- German translation fixed: "gebe" -> "gib" (Imperativ)
- Bugfixes related to issues which had been accepted but canceled afterwards
- Prohibit creation of initiatives in disabled areas or with disabled policies

     1.1 --- a/config/development.lua	Sun Apr 04 22:05:11 2010 +0200
     1.2 +++ b/config/development.lua	Thu Apr 15 19:58:25 2010 +0200
     1.3 @@ -12,9 +12,11 @@
     1.4  
     1.5  config.issue_discussion_url_func = function(issue) return "http://example.com/issue_" .. tostring(issue.id) end
     1.6  
     1.7 -config.auth_openid_enabled = true
     1.8 +config.auth_openid_enabled = false
     1.9  config.auth_openid_https_as_default = true
    1.10  
    1.11 +config.api_enabled = true
    1.12 +
    1.13  config.auth_openid_identifier_check_func = function(uri)
    1.14    local uri = uri:lower()
    1.15    if uri:find("^https://") then