[IMP] license: renamed general license file, and included note about other applicable licenses

bzr revid: odo@openerp.com-20101208133325-rlrtmzao8kzdp31o

bin/agpl.txt → LICENSE

+OpenERP v6.0 is published under the GNU AFFERO GENERAL PUBLIC LICENSE,
+Version 3 (AGPLv3), as included below. Some external libraries and
+contributions bundled with OpenERP may be published under other
+AGPLv3-compatible licenses. For these, please refer to the relevant
+source files and/or license files, in the source code tree.
+
+**************************************************************************
+
                     GNU AFFERO GENERAL PUBLIC LICENSE
                        Version 3, 19 November 2007