backport of GEOS-5370: thread locals access for WPS processes
Merge pull request #108 from mbarto/geos_5370_wps_threadlocals

backport of GEOS-5370: thread locals access for WPS processes
Fixing the build, and make sure the temp output files are made available in a published folder
[2.2.x][cluster] port documentation from educational project
Merge pull request #110 from ccancellieri/2.2.x-clustering-doc

[2.2.x][cluster] port documentation from educational project
[2.2.x][cluster] introduce rest interface GET/POST

[cluster] fix REST. add heading license
Merge pull request #109 from ccancellieri/2.2.x-clustering-2

[2.2.x][cluster] introduce rest interface GET/POST