Merge pull request #128 from brablc/master

Avoid error handler invocation
Add aposthrophes back to dates

Commit 7318658017 removed apostrophes from dates and that caused
dibi to build different queries. Compare:
...WHERE `date_created` < '2014-02-21';
vs.
...WHERE `date_created` < 2014-02-21;
Merge pull request #129 from erikfercak/add_apostrophes_to_dates

Add aposthrophes back to dates
DibiTranslator: object is initialized in constructor
Add support for DateTimeInterface
composer: added branch alias & PHP version
fixed test support files
.gitattributes: ignoring some paths when downloading from github
readme.md: typos
updated test support files
removed magic_quotes_runtime checking
typos
PostgreSQL: added support for reflection of materialized views.
bridges: changed file structure
file dibi.php split to Dibi class and loader dibi.php
fixed example
added bridge for Nette 2.2 & Tracy
tests: Nette\Debugger replaced with Tracy, examples requires PHP 5.3
removed some old and deprecated stuff
Released version 2.2.0