added install doc for debug build
Fixed DomainCollector

 - fixed stop criteria for merged read
 - faster DomainCollector::getTotal* calls for GRID data
 - improved DomainsTest
 - added info for DEBUG builds to INSTALL.md
Updated UserManual
Added example

 - added domain_read example
 - fixed DataContainer and CMakeLists.txt
Merge branch 'master' of github.com:ComputationalRadiationPhysics/libSplash into examples

Conflicts:
	doc/INSTALL.md
	doc/manual/UserManual.pdf
	src/DomainCollector.cpp
Merge pull request #5 from ComputationalRadiationPhysics/examples

Examples