Fixing Logger implementation to implement ILogger + fix smtp auto conf in case of php mail() is used

Remove CSRF token

We now rely on CSP instead of sandboxed iframes. Partially addresses #767

Add more url tests

This regex takes a bit of a different approach. Instead of matching allowed
characters, it instead checks that disallowed characters are not present.

Here's the regex:
/(ht|f)tp(s?)\:\/\/[a-zA-Z0-9\-\._]+(\:[0-9]+)?(\/[^!*';:@&=+$,?#\ \]]*)*(\?[^!*';:\=@&+$,?#\ \]]+=[^!*';:\=@&$?#\ \]]+(&[^!*';:\=@&+$,?#\ \]]+=[^!*';:\=@&+$?#\ \]]*)*)?(\#\!?[^!*';:@&$,?#\ \]]*)?/

Breaking it down (the URL spec is [here](http://www.w3.org/Addressing/URL/url-spec.txt) ):

/
(ht|f)tp(s?)\:      The scheme (or protocol) with the colon that separates the scheme from the rest of the URL., Matches http: or ftp: or https: or ftps:
\/\/                This matches the double slash which indicates the start of internet protocol parts.
[a-zA-Z0-9\-\._]+   The Internet domain name or IP adresss (e.g. www.google.com, localhost, 192.168.1.1 )
(\:[0-9]+)?         The optional port number preceded by a colon (e.g. :8080)
(\/)?([^!*';:@&=+$,?#\ \]]*) The path. (e.g. Addressing/URL/url-spec.txt )
(
    \?[^!*';:\=@&+$,?%#\ \]]+=[^!*';:\=@&$?#\ \]]+    This matches the first URL paremeter (i.e. ?a=3).
    (&[^!*';:\=@&+$,?%#\ \]]+=[^!*';:\=@&$?#\ \]]+)* This matches subsequent URL parameters (i.e. &x=2&z=7)
)?                  This says that the URL parameters are optional.
(\#\!?[^!*';:@&$,?#\ \]]*)?    This matches zero or one document fragments and shebangs (e.g. #section or #!shebang )
/

The regex is very long and you might notice that there are certain clauses that are repeated, such as "[^!*';:\=@&$?#\ \]]+".

I don't know much about using regexes in PHP, perhaps these clauses could be labeled or put in variables so that the regex could be made shorter?

I'll leave that to someone else who knows better about how that could be done.

Update regex after jenkins test failures.

- Allow colon : in the path.
- Disallow double quotes "

Disallow round brackets in URL parameter values.

Also disallow brackets for the first URL parameter value.

Prevent Firefox e10s to crash when registerProtocolHandler

Appropriately responds to programmatic input in message bodies.

expand cc correctly

Added check to text area input on new message bodies.
Added responses to programmatic input that resembles client input.

Fixes #582

Fix php errors accountscontroller etc

some more accountscontroller tests

remove deprecated params calls; add some unit tests

set 'from' dropdown to current account, fix #297

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