Fixes #165
Fix for #166
Fixed some text that wasn't supposed to get wrapped as code
FIX: calling the correct callback on 'add' on Todos

The call to this.addAll for the 'add' event on Todos is redundant and incorrect, this fix corrects it.
fixed typo where 'on the left of' should be 'to the right of'; also made key identifier code style
changed 'any element' to 'the element' since it's an ID selector; added missing double-quote; reworded last bit of sentence to avoid over-use of word 'section'
changed 'class' to 'id' in 'Application View' section of 'Practical: Todos'
changed code example to be consisten with previous examples; extended example to show concreat add() in action
added missing cli prompt; reworded for consistency
spelling fix
added missing dollar-signs for shell examples
fixed broken link
separate example into 2
added space (where missing) for all markdown headers
add line breaks around code in paginator section
fixed url in jquery mobile, navigation code
minor typo fix
comment typo fix/improvement
improved basic practical Todo code example and styling
fixed typo / mixed quotes + no ending quote