fix resource deps: generate more cleanly - no targets if there are no prereqs. no empty lines. fix resource copy performance: remove debug fix filters: behave if someone puts 2 identically named filters into the plugin dir by mistake.

component       dev_build_e32tools_e32lib

source          /src/tools/dev/build/e32tools/e32lib
binary          /src/tools/dev/build/e32tools/e32lib/group all

notes_source    release.txt

ipr T