Latte: fixed macro prefix passing

Set MacroNode prefix for n:inner-macro.
Merge pull request #911 from hrach/db-rows-cache

Fixed bug & refactoring of accessColumn method
travis: workaround for missing PHP 5.3 in travis
Database: Fix wiring @self to conventional reflection [Closes #917] [Closes #918]
Json: characters \u2028 and \u2029 are always encoded, so generated output is really JavaScript subset
Neon: added support for sequences \b, \r, \f (Json is now really Neon subset)
Merge pull request #908 from milo/latte/macro-methods-and-prefix

Latte: fixed macro prefix passing
Happy New Year 2013
.gitattributes: for ignoring folders when downloading from github