add new trait ResolveAndRemoveFromSeq

- add trait to resolve aliases and delete the resolved types from a boost mpl sequence
add generic particle attribute initialization

set all particle attributes which are not explizit initialized to the default value
rename variable, add documentation

thx @ax3l for the documentation
Merge pull request #607 from psychocoderHPC/topic-genericAttributeInit

Particles: Generic Attribute Initialization