DeepDive 0.7.1

* Adds better support for applications written in DDlog.
    `deepdive run` now runs DDlog-based applications (`app.ddlog`).

* Makes PL/Python extension no longer necessary for PostgreSQL.
    It is still needed for Greenplum and PostgreSQL-XL.

* Adds `deepdive sql eval` command now supports `format=json`.

* Adds `deepdive load` command for loading TSV and CSV data.

* Adds `deepdive help` command for quick usage instructions for `deepdive` command.

* Includes the latest Mindbender with the Search GUI for [browsing data produced by DeepDive](../basics/browsing.html).

* Adds various [bug fixes and improvements](https://github.com/HazyResearch/deepdive/issues?q=milestone%3A%22DeepDive+0.7.1%22).

Updates developer's guide document

Fixes installer to use stable branch

Tag for 0.05 release

Tag for the 0.03.2 release. September 16, 2014

Merge branch 'develop'

Merge branch 'develop'

Merge branch 'develop'