Update README to clarify purpose and Solr version.
Document v1.0.5 and clarify bad cache name.
Added test and fixed bug in sorting when the index isn't optimized.
Clarify logic in asc/desc multi-val selection.
Fix small bug in TermsEnumCompatibility and in how it's used.
Bump SOLR2155 version to 1.0.5, Solr version to 3.6 and add slf4j-jdk…
…14 in testing.