WebLogo 3.1 released

WebLogo 3.1 web-sever

WebLogo 3.1 code

This release contains mostly code improvement, minor bug fixes, small user enhancements and other miscellanies maintenance.

* Command line: Add parsing of transfac PWM files
* Command line: Add reverse and complement transformations
* Improve clustal file parsing
* Currently compatible with python 2.5, 2.6 and 2.7
* Deprecate support for python 2.3 and 2.4
* Migrate corebio library into weblogo for easier maintenance and development.
* Add new annotate option for custom annotation line
* Miscellaneous minor bug fixes and refactoring.

* Incorporates bug fixes and feedback from Gavin Crooks, John Gilman, Kevin Schutz and Perry Evan.