Database tests: added use Assert statement
Database tests: updated to Context

- removed calling deprecated methods
- renamed $dao to $context
Database tests: reenabled backjoin tests for joning over specific column
Merge pull request #1295 from hrach/db-tests

Db tests
Latte: alternative PHP syntax for control structures (if:, endif) replaced with default syntax to avoid problems with mixing syntaxes. [Closes #1296]

`if (TRUE): if (TRUE) echo 1; else: echo 2; endif;`
Latte: fixed quoteFilter
Latte: optimized output, removed empty addAttribute(array())
tests: added use Tester\Assert
Latte: added macro {inputError}
Latte: fixed quoteFilter with 'and, or, xor'
typos
typos
shortcuts moved to common/shortcuts.php
composer.json: removed usage of loader.php
loader.php: removed constants NETTE, NETTE_DIR, NETTE_VERSION_ID, use Nette\Framework::VERSION_ID (BC break)
opened 2.2-dev
removed deprecated stuff in 2.1
Latte: deprecated n:input throws CompileException
Latte: deprecated short block syntax {#block}
DI\Container: magic accessors are disabled by default