[common.configtree] fixed get< FieldVector >()
[common.configtree] major change
* vectors are defined as tokens separated by white space
* matrices are defined as vectors separated by ;
[test.common_config_tree] update
[common.ranges] whitespace
[common.configtree] catch std::exception
[common.configtree]
* added some safety mechanisms
[common.configtree] automatically fill containers up to their desired size
[functions.checkerboard] whitespace
communicate norms and errors in parallel runs
[common.configtree] make exceptions more verbose
[functions.expression] propose shorter create() method
[grid.provider.cube] use new vector notation
[common.configtree] small fixes
[functions.checkerboard] use new vector notation and new get method
[functions.constant] use new get method
[functions.expression] style fix
[functions.spe10] use new vector notation and new get method
[grid.boundaryinfo] use new vector notation
[functions.checkerboard/constant] style fix