buildfile cleanup
buildfile cleanup

Summary:
Replace multiple globs in ideabuck's BUCK file with one
set of constants at the top that explains which files
are used for which purposes.

Reviewed By: IanChilds

fbshipit-source-id: 6981cd0517

rmaz/buck,Addepar/buck,JoelMarcey/buck,Addepar/buck,facebook/buck,JoelMarcey/buck,Addepar/buck,kageiit/buck,Addepar/buck,rmaz/buck,rmaz/buck,rmaz/buck,JoelMarcey/buck,Addepar/buck,zpao/buck,kageiit/buck,SeleniumHQ/buck,SeleniumHQ/buck,SeleniumHQ/buck,Addepar/buck,JoelMarcey/buck,rmaz/buck,nguyentruongtho/buck,JoelMarcey/buck,kageiit/buck,facebook/buck,romanoid/buck,rmaz/buck,romanoid/buck,Addepar/buck,JoelMarcey/buck,zpao/buck,nguyentruongtho/buck,kageiit/buck,SeleniumHQ/buck,romanoid/buck,Addepar/buck,SeleniumHQ/buck,romanoid/buck,facebook/buck,romanoid/buck,SeleniumHQ/buck,JoelMarcey/buck,JoelMarcey/buck,SeleniumHQ/buck,facebook/buck,romanoid/buck,rmaz/buck,facebook/buck,romanoid/buck,nguyentruongtho/buck,SeleniumHQ/buck,nguyentruongtho/buck,kageiit/buck,romanoid/buck,SeleniumHQ/buck,SeleniumHQ/buck,kageiit/buck,Addepar/buck,JoelMarcey/buck,Addepar/buck,SeleniumHQ/buck,JoelMarcey/buck,rmaz/buck,romanoid/buck,JoelMarcey/buck,rmaz/buck,Addepar/buck,romanoid/buck,romanoid/buck,JoelMarcey/buck,Addepar/buck,romanoid/buck,Addepar/buck,zpao/buck,rmaz/buck,rmaz/buck,facebook/buck,rmaz/buck,nguyentruongtho/buck,nguyentruongtho/buck,JoelMarcey/buck,zpao/buck,zpao/buck,SeleniumHQ/buck,romanoid/buck,zpao/buck,facebook/buck,SeleniumHQ/buck,kageiit/buck,zpao/buck,nguyentruongtho/buck,rmaz/buck