Filtering module:

- Implemented an awk script to filter the chimeric junction candidates according
a filtering criteria set by the user (nb. staggered, nb. encompassing pairs and
similarity information between connected gene pairs)
Filtering module:

- Added some comments to the code
Filtering module:

- Added as a new step in the main script, ChimPipe.sh.
- Now the user has a new option -F to set the configuration of the
filtering module.
- If not set it uses a default configuration.

Log:

- Added \n at the end of each error message.