Foldalign version 2.5.0

A major update please see the Sundfeld et al paper. Bioinformatics in press.

The most important changes are:
1: Multithreading. Use option -number_of_processors <number> to set the number of cores used by foldalign
2: LocateHits now has build in parameters for the extreme value distribution. These are GC-content dependent. Note the values have changed since preRelese 2.
3: It is now possible to use different gap penalties for gaps in stem and in single strand regions. This is not use by default.
4: Alignments can be output in stockholm format. Default column format.

There are many other minor changes.