Edited new architecture file for typos and readability
Updated PostAdmin example in getting started so it's called 'sonata.admin.post' instead of 'sonata.admin.tag', in line with the example in the architecture chapter
Edited updated dashboard chapter for typos and readability, ref #1524
Broke YML examples up into multiple lines so they're easier to read (I hope the "list of arrays" syntax is common enough for people to understand)
Updated SonataPropelAdminBundle hyperlink ref #1561
Merge pull request #1582 from caponica/docs-20130819

Docs 20130819
Add .. configuration-block:: to configuration
Fixed typo in Propel URL
Fixed reference to DoctrineORMAdminBundle ref #1584
Merge pull request #1586 from caponica/fix-installation-typos

Fixed typos in installation chapter
sonata_type buttons changes
Merge pull request #1435 from tiagojsag/sonata_type_buttons

Added custom labels and possibility to remove button sonata_type form types
sonata_type buttons changes
Merge pull request #1587 from tiagojsag/sonata_type_buttons

Added custom catalogue for sonata_type buttons
improvements to install docs
Merge pull request #1588 from tiagojsag/install_docs

improvements to install docs
Merge branch 'sonata/master'