Update lawgiver configuration.

Lawgiver has a new lagiver:ignore directive which we should use.
See https://github.com/4teamwork/ftw.lawgiver/pull/18
Merge pull request #8 from 4teamwork/jone-update-lawgiver-ignores

Update lawgiver configuration
Added tests for snippetText indexer.
Include description in snippetText.
Added test to ensure that snippetText does not contain searchwords.
If there's a SearchableText indexer, use it for snippetText generation.
Load overrides in tests.
Exclude searchwords in schema from SearchableText instead of removing it afterwards.
Merge pull request #9 from 4teamwork/snippettext-fixes

Snippettext fixes
Added option to generate breadcrumbs from path rather than calling
breadcrumbs_view for each item.
Make length of breadcrumbs shown in search results configurable.
Added upgrade step.
Merge pull request #10 from 4teamwork/path-based-breadcrumbs

Path based breadcrumbs
Added support for dexterity content types in snippetText indexer.
Added entry in changelog.
Merge pull request #11 from 4teamwork/snippettext-dexterity

Support for dexterity content in snippetText indexer
Preparing release 1.0.2
Back to development: 1.0.3
Merge branch 'master' into spellchecking

Conflicts:
	ftw/solr/browser/search.py