Released peppy 0.7.3

[Rob McMullen]

From the ChangeLog, here's what's been fixed in 0.7.3 (although if
you're up to date with svn, there's not much you don't already have):

* created new autoindent architecture
* added regex autoindenter based on KDE's Kate regex syntax
* added beginnings of C-style autoindenter based on Scintilla's folding
* much improved recognition of function names for C, C++, Java
* fixed problem in python autoindenter's handling of comments
* multiple untitled files can now be opened
* reorganized source code to provide examples of setuptools plugins
* added utility to select all text between matching braces
* added backslashify and unbackslashify commands
* added emacs style cursor movement commands from Christopher Armstrong
* added clipping filters to hyperspectral image viewer
* added DebugKeypress action to help OSX debugging
* added Mandelbrot set generator
* i18n updates: added Hungarian and Ukrainian and updated German,
French, Esperanto and Spanish message catalogs
* added new documentation on http://trac.flipturn.org/wiki
* many bug fixes