[Nimble] Added list of matchers to README
README: moved  before  in list of matchers
Merge branch 'readme-matchers' of github.com:endersstocker/Quick into endersstocker-readme-matchers
README: explain available matchers
QCKDSL: remove unusable macros

Macros that took arguments were not actually usable in Objective-C code.
FunctionalTests+ObjC: rename test
README: add Obj-C matchers