fix dashed legend when colored background; node analysis style half fixed; default nodes style huge somehwoe

testing node value and size. can be passed for either groupp or individual node. Node size/value overrides group definitions. If value is defined, size will be ignored.

added customwebpack as builder; added postcss to add style selector; shadowed necessary styles; switched to other fontawesome angular implementation

display drugs and nodes in analysis network; display custom nodes like patients; TODO: node type is not passed on from group AND node style in analysis is not loaded correctly, falls back to default.+

rename node attribute name to label in user input; make node attrbitute label optional, defaults to ID; Double identifier might be problematic, if node label is e.g. gene symbol, then it will be displayed twice in detail information, once as label and once as symbol