Add emacs backup files to .gitignore. Fix DistinctCount() signature bug (thanks @Prataprc).
Ignore vim swap files.
Integration with secondary index.

Provides a general skeleton for integrating query with secondary-index.
Unfinished portions are described with TODO tags.
Proposal for integrating with secondary index.
Ignore secondary_index.go secondary_indexes.go.

until indexing/secondary/queryport subpackage is merged from gerrit.
Add links to design documents
Update design_links.md
Implement Clustering API using zookeeper
Add VALUE as a reserved word.
Merge branch 'master' of https://github.com/couchbaselabs/query
Simplify MERGE syntax: remove from-term.
Simplify MERGE syntax: remove from-term.
Formalize MERGE, the remaining DML statement.
Create primary index. Working
Go Log package implementation of Logging API
Merge branch 'master' into go_logger

Conflicts:
	datastore/couchbase/couchbase.go
Merge branch 'master' into clustering_zk
Add CREATE PRIMARY INDEX.
Hook up index DDL statements.
Update title for Design Links document.