fixing bug #172215 about foreign namespaces by adding support for negated

* xmlregexp.c xmlschemas.c include/libxml/xmlautomata.h: fixing
  bug #172215 about foreign namespaces by adding support for
  negated string transitions. Error messages still need to be
  improved.
* test/schemas/any5* result/schemas/any5*: adding regression
  tests for this.
Daniel
41 files changed