Tweak the documentation for EmailPicker and make the same change
in the reference documentation.
Remove tabs.

Change-Id: I2e9941d9303b9707880b6b189d3c934b1a023c08
Fix various documentation issues from ticket #602
Removed redundant some redundant <p>'s and added some newlines

Change-Id: I60b7e7e89b31f9af36ce24595d710b9983db157a