typos
changed namespace to Nette\Neon (BC break!)
Merge pull request #10 from dg/pull-neon

Changed namespace to Nette\Neon (WIP)
added Encoder
added loader neon.php
readme.md: added badge and link to Packagist
opened 2.3-dev
Entity: added constructor
Encoder: fixed encoding of Entity
added new syntax for entity chaining
tests: files renamed
Decoder: fixed parameter $indent, FALSE means inline parser, NULL means block parser
Decoder: fixed detection of TAB, is done before parse()
Decoder: added checking for bad indentation
Decoder: added support for key-after-bullet syntax:

- key1: val
  key2: val
Decoder: allowed local combinations of tabs and spaces
composer.json: requires iconv
tests: removed @author
Parser: keyword 'null' in keys considered as string [Closes #4][Closes #7]
Decoder: refactoring, key cannot be NULL