Changes instances of `mySQL` to `MySQL`
Improves styling of blocks
Removes semicolon
Corrects typos `optomistic` to `optimistic`
Corrects misspelling of `inconsistent`
Corrects misspelling of `final`
Improves formatting of dir structure and removes duplicate `connections/` dir

Used this page for inspiration http://jekyllrb.com/docs/structure/
Corrects misspelling of `incremental`
Corrects misspelling of `transformations`
Improves sentence about SQL transformations
Corrects brutal misspelling of `email_variables`
Plural
Improves Transports section
Improves MySQL section
Improves Elasticsearch section
Improves transformations section
Merge pull request #16 from taskrabbit/readme-improvements

Readme improvements