fixed small bug in node-generator prior to actual work on the feature
updated generic-node factory
 * removed pluginConfig member since it can be fetched from the PluginActivator at runtime
 * renamed member config to m_nodeConfig
 * adapted temple to the above changes
adapted the binaries_mac_64.zip in the copy-fasta sample to the new layout
implemented check method in configure to test if an executable for the requested tool is registered, fails configure via InvalidNodeSettingsException if no tool was found
Merge branch 'feature/fail-configure-on-missing-binary' into develop