Mothur_Toolsuite: added tool_data_table_conf.xml.sample (needed for tool data table installation).
Fix leading <?xml...> tag in Mothur tool_dependencies.xml file.
Mothur_toolsuite: remove version of tool_data_table_conf.xml.sample erroneously placed in 'tools' subdir.
Merge pull request #3 from pjbriggs/Mothur_Update_to_1.33

Mothur update to 1.33: fixes for tool_data_table_conf.xml.sample & tool_dependencies.xml