drop package2.xml, no more supported
fix role for doc
missing test
quick fix to allow build against shared system library
LUA_OK is 5.2
LUA_ERRGCMM is 5.2 only
fix test for 5.1, error string have changed
skip test if json not enabled (or build as shared and so not loaded during make test)
fix [-Wpointer-sign]
Merge pull request #6 from remicollet/issue-110

Various fix for 1.1.0