Applied lowercase_with_underscores naming convention

tweaked close dialog and added prompts to prevent silent remote close

Merge branch 'master' into trunk

Uncommenting reply_socket.recvmore that was broken in 2.0.7.

Stop-gap fix for crash with unicode input. The fix is highly suboptimal, as we're still ignoring unicode input. But at least we don't flat out crash, until I can work on it tomorrow.

Add HTML export options Three export options (HTML w/ external PNGs, HTML w/ inline PNGs, and XHTML w/ inline SVGs) are added to the context menu.

merge review fperez-execution-refactor

Merge branch 'execution-refactor' of http://github.com/fperez/ipython into fperez-execution-refactor

merge interactiveshell.py

Add explicit comment about disabled code in importstring. This lets us know the deactivated code is meant for eventual deletion (the replacement was written by T. Kluyver in his 2to3 preparation work, we just need to be sure we have no problems with it in more testing).