Implement search using Solr

[jingerbread]

Search functionality:

1. index doc:
   user metadata,
   content,
   extracted metadata:

• persist in doc metadata: author,company, dates, title, pages, location, size
  1. need a way to skip some search phases
  2. separate indexing of files and dirs
  3. search docs:
  4. search by fields
  5. general search (in all fields)
  6. domain restriction

[jingerbread]

http://wiki.apache.org/solr/SchemaXml#Dynamic_fields