Reverting AC_INIT variable

Changing lodel2 to lodel again. Lodel2 was breaking the lodel package naming
it lodel2 leading to import failures when attempting to import lodel

configure.ac

@@ -1,4 +1,4 @@
-AC_INIT([lodel2], [0.1], [contact@openedition.org])
+AC_INIT([lodel], [0.1], [contact@openedition.org])
 
 AM_INIT_AUTOMAKE