[Solr Wiki] Update of "TaskList" by HossMan

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     * group by field (provide counts for each distinct value in that field)
     * group by (query1, query2, query3, query4, query5)
   * Highlighter integration/support
-  * a DateTime field that allows flexible input for easier human entered queries
+  * a !DateTime field that allows flexible input for easier human entered queries
   * good multi-field querying support integrated with standard request handler, or as a separate handler
   * support for max disjunction and threshold (really a Lucene item) 
   * Documentation
@@ -42, +42 @@

    * Alternate output formats (JSON?)
    * Implement some ideas for ComplexFacetingBrainstorming
    * Implement some ideas to MakeSolrMoreSelfService
+   * support for an an optional "timestamp" style field in schemas which allways want every doc to include the datetime the document was added to the index.  This might be a special case (like the uniqueKey field) or it could involve more general "default" support for fields and fieldtypes (ie: `<field>` and `<fieldtype>` declarations could include a `default="..."` attribute that gets put into any document that doesn't already have a value for that field, with the underlying !FieldType parsing the text each time it's used, so that the !DateField class can convert `default="now"` to the current time.