Update building docs to use m2 instead, now that the m1 build has been removed.
-rw-r--r-- 2014 BRANCHINFO.txt
-rw-r--r-- 11358 LICENSE.txt
-rw-r--r-- 174 NOTICE.txt
-rw-r--r-- 4939 PROPOSAL.html
-rw-r--r-- 1978 RELEASE-NOTES.txt
-rw-r--r-- 981 build.properties.sample
-rw-r--r-- 8846 build.xml
-rw-r--r-- 3275 doap_scxml.rdf
drwxr-xr-x - extras
-rw-r--r-- 9790 pom.xml
-rw-r--r-- 801 scxml-asl-header.txt
-rw-r--r-- 8082 scxml-checks.xml
drwxr-xr-x - src