using c++11 and fixing libc++ linking for clang
Add platform configuration for Emscripten.

Handle as a i386 Linux variant.
Close listening socket before stopping running connections

If sending the serverStopped event to currently active connections
happens before actually closing the server socket, new connections will
be accepted in between, which in turn will stay open and prevent the
HTTP server from stopping completely.
Merge pull request #450 from Kontinuation/develop

Make the copy assignment operator of Exception class exception safe
coding style changes
fixed GH# 398: PropertyFileConfiguration: input != output
Merge pull request #452 from Kontinuation/develop

Fixed possible memory leak in SharedPtr (issue #287)
minor style fix
fixed GH# 447 NumberParser documentation on the format test used
Merge pull request #437 from kblaschke/develop

Close listening socket before stopping running connections
update MailMessage::setContent() documentation to state that only CRLF is a valid line terminator and single CR or LFs must not be used
Merge pull request #343 from abergmeier/develop

Add platform configuration for Emscripten.
Merge pull request #304 from csomor/develop

using c++11 and fixing libc++ linking for clang
GH #302: documentation typo
Merge branch 'develop' of https://github.com/pocoproject/poco into develop
use release policy to deallocate ptr when RC construction failed