Issue #14 : Replace Indexing Strategy object with annotations

add configuration for used search annotations

make possible configuration of index strategy in external tests

Add word separated indexing. Add 'Ignore' annotation.

minor renames

use only annotations for configuration of index strategy

add comment and rename class

recognize collection type when processing field mark for full text search
Updated to AppEngine 1.9.2
Allow embedded indexing

Remove index schema and refactor embedded index registration

delete unused class

change search field naming
Add check for null of embedded indexes
Issue #18 Escape special symbols from search terms when make query

minor rename

minor change
Updated to AppEngine v1.9.4
Removed dependency to com.google.appengine.repackaged.com.google.common.base.Strings;
Issue #20 : Interpret search query strings as one word when contains word with special characters