Add a new tool to Galaxy

To add a new tool named "novoalign" for NGS alignment.

1. Add "novoalign_wrapper.xml" to "\tools\sr_mapping"

< tool id="novoalign_wrapper" name="Map with Novoalign" version="1.0.6" >
...
</tool>

2. Add "novoalign_wrapper.py" to "\tools\sr_mapping"
which is used to parse parameters and call the novolaign

3. append a line to "\tool_conf.xml" under section
< section name="NGS: Mapping" id="solexa_tools">

< tool file="sr_mapping/novoalign_wrapper.xml">

4. Restart the Galaxy