EHS Code

- Moved build of samples in subdir.

- Updated svn:ignore attrs
- Fixed form parsing
- Eliminated several compiler warnings
- Remove doc about building on windows (currently untested and likely to fail).

- Minor formatting and documentation changes.

- Integrated doxygen stuff into autotools.
- More refactoring.
- HTTP header map are now case insensitive.
- Rewrote SSL passphrase handling.
- Implemented exception handling within threads.
- Separated headers - Now only the public headers get installed.

- updated svn:ignore

- Renamed/Added accessors for headers.

- More code cleanup
- Eliminated numerous warnings from -Weffc++
- Eliminated numerous memory leaks

- Bumped up version

- Rewrote securesocket (now derived from socket) in
order to take advantage of new bindhelper.

- Removed useless threadabstractionlayer.h
- Added bindhelper and example for it