gama-1.22-bp151.2.15

- update to 1.22:
  * code clean-up and various developer visible changes

- update to 1.20:
  * New test suite for matvec classes and support for valgrind
    memory leak tests for tests/matvec and tests/gama-local.
  * This release is a preperation phase for the next release in
    which the base matvec memory handling class (MemRep) will
    reimplemented with C++11 move constructor and move assignemnt
    operator.

- update to 1.19:
  Fix implicit value of covariance band in XML adjustment output
  being -1 (full bandwidth)

- update to 1.18:
  * fixed a formatting bug in outlaying terms (due to c++11)
  * fixed a bug in HTML parser test
  * simplified class LocalPoint
  * fixed a bug in sql export
  * added @documentencoding UTF-8 into gama.texi

- update to 1.17:
  * minor fixes in documentation
  * fixed a bug in SQL schema
  * new export of XML network definition
  * C++11 features enabled (-std=c++11 for g++ compiler)
  * fixed several minor bugs

- initial package