Removed Info.plist file copy from build script.

The source file was removed from the project, but the build script
still had a step to copy it to the output directory. The change just
removes the offending "cp" line from the script.
Merge current master (3a026e9) into fix-copying-missing-info-file branch.
Allow multiple `registerMatchers` in one context.

The old implementation appeared to mimic that of `beforeEach` and
`afterEach`--it only allowed one per context. However, there is no need
for such a restriction when registering custom matchers. This commit
allows any number of matchers to be registered in a single context.

Other changes:

- Remove obsolete forward class declarations from KWExample header.
- Delete commented out code from KWMatcherFactory.
- Consolidate duplicated code in KWExample, KWContext in internal methods.
- Add missing variable name from block typedef (only used in
  `defineMatcher` macro).
Merge pull request #343 from MichaelHackett/fix-copying-missing-info-file

Removed Info.plist file copy from build script.
Add tests for existing beZero matcher functionality
Make sure nil does not match beZero
Make beZero work for NSNumber as well as values
Merge pull request #447 from sgleadow/nsnumber-matcher-improvements

beZero matcher improvements for NSNumber
cleaned up
Ignore raw logs
"Merge pull request #443 from modocache/multiple-custom-matchers\n\nAllow multiple `registerMatchers` in one context."

Conflicts:
	Kiwi.xcodeproj/project.pbxproj
Merge branch 'master' into output-formatters

Conflicts:
	Classes/Matchers/KWBeZeroMatcher.m
	Kiwi.xcodeproj/project.pbxproj