Issue #2128271 by kenorb: Fixed PDOException - Specified key was too long. Port to 7.x-2.x of the patch from #1838014.

Issue #2290779 by DYdave: Fixed Failed Test Case for Block Class integration with FE Block: Specified test dependency to features-7.x-2.x.
Minor changes to Context and Features Integration Test Cases setUp and getInfo dependencies.

Issue #1940122 by DYdave: Adding test_dependencies to .info file to require the inclusion of the Context module for the Test Case added at afa298ef: Integration with Context.

Issue #1940122 by DYdave: Minor fix of a whitespace reported coding standards errors , introduced in previous commit at afa298ef.

Issue #2011880 by mbutsko, DYdave: Fixed Install fails if block_class is included with install profile.

Issue #1940122 by DYdave: Fixed error reported by PAReview, introduced by the patch committed at c2bb84ac.

Issue #1940122 by DYdave: Removed a whitespace reported by PAReview, introduced by the patch committed at c2bb84ac.

Issue #2060319 by DYdave: Minor fixes of coding standards errors introduced in previous commit at a5d9310d.

Issue #1937930 by gaofengzzz, DYdave: first round of coding standards according to PAReview for 7.x-2.x version.

Issue #1868586 by DYdave: created new branch based on an alternate structural approach without an extra database table.

Issue #1256046 by danielhonrade: Performance, Multiple Queries with multiple blocks on no cache blocks

Adding descriptions to hook_schema(). Adding placeholder function for Drupal 6.x->7.x update related to DB schema issue reported in [#610010].