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
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
fix TOC links

use dash to split words in TOC links
Update timestampable.markdown

fix xml markup
Proper code block with syntax highlighting

There was a typo which broke proper formatting on front page
Correct typo in download.markdown

Simple typo.  Just fixing the formatting.
Update 03-basic-crud.markdown

Added a note that calls to find* methods do not always set off database queries and how to avoid that, if necessary.
Update 03-basic-crud.markdown

Moved the tip to an extended information block about the instance pool and when it is consulted.
Update 03-basic-crud.markdown

Changed findOneById to findOneByXXX magic method for primary key attributes