Dynamic interface using XMLHttpRequests, and many other changes

Bugfixes:
- Only allow voting on admitted initiatives
- Repaired issue search
- Don't display delegations for closed issues on member page
- Don't show revoke link in initiative, when issue is already half_frozen
- Localization for voting JavaScript
- Display author of suggestions

Disclosure of voting data after voting is finished:
- Possibility to inspect every ballot including preferences
- Show number of voters preferring one initiative to another initiative

Interface behaviour changes:
- Reversed default order of drafts
- Default order of suggestions changed
- Show new drafts of initiatives only once per day in timeline

Accessibility:
- Barrier-free voting implemented
- POST links are now accessible without JavaScript
- Changed gray for unsatisfied supporters in bar graph to a lighter gray

Other interface improvements:
- Optical enhancements
- Dynamic interface using XMLHttpRequests
- Show usage terms in about section
- Show own membership in area listing
- Show uninformed supporters greyed out and marked with yellow question mark
- Warning box in non-admitted initiatives
- When voted, don't display voting notice and change label of voting link
- Show object counts in more tabulator heads
- Enlarged member statement input field

Miscellaneous:
- Code cleanup
- Added README file containing installation instructions
- Use new WebMCP function ui.filters{...} instead of own ui.filter and ui.order functions

     1.1 --- a/app/main/draft/_show.lua	Tue Feb 02 00:31:06 2010 +0100
     1.2 +++ b/app/main/draft/_show.lua	Sat Feb 20 22:10:31 2010 +0100
     1.3 @@ -6,8 +6,15 @@
     1.4    readonly = true,
     1.5    content = function()
     1.6  
     1.7 -    ui.field.text{ label = _"Last author", name = "author_name" }
     1.8 -    ui.field.timestamp{ label = _"Created at", name = "created" }
     1.9 +    ui.field.text{ 
    1.10 +      label = _"Last author",
    1.11 +      value = _(
    1.12 +        "#{author} at #{date}", {
    1.13 +          author = draft.author_name,
    1.14 +          date = format.timestamp(draft.created)
    1.15 +        }
    1.16 +      )
    1.17 +    }
    1.18      ui.container{
    1.19        attr = { class = "draft_content wiki" },
    1.20        content = function()