Merge pull request #196 from MArcJ/master

Added a new cookbook entry named 'working with unit tests' that explains ...
Update cookbook/working-with-unit-tests.markdown
Update documentation/08-logging.markdown

added tip how to install PEAR Log
Merge pull request #197 from staabm/patch-8

Update documentation/08-logging.markdown
Update documentation/05-validators.markdown

fixed typo
Merge pull request #199 from staabm/patch-9

Update documentation/05-validators.markdown
Update documentation/05-validators.markdown
Update documentation/01-installation.markdown

added composer installation instructions.
Merge pull request #201 from staabm/patch-11

Update documentation/01-installation.markdown
Merge pull request #200 from staabm/patch-10

Update documentation/05-validators.markdown
Start importing the blog
Fixed test class
Convert all highlight tags to markdown fenced code blocks
Since Github:pages support fenced code blocks
fix typo in the command line of the paragraph
Merge pull request #206 from oziks/master

fix typo in the command line of the paragraph `Build Properties Reference > Where to Specify Properties`
Merge pull request #205 from robin850/markdown-tags

Convert all highlight tags to markdown fenced code blocks
added mb_internal_encoding tip to MaxLengthValidator
fixed markup.

since I have pull rights for this repos the change was applied immediately instead of creating an PR. Wasn't aware, sorry for that.
Add some doc when reversing schemas

refs propelorm/PropelBundle#218
Merge pull request #207 from mppfiles/patch-5

Add some doc when reversing schemas