Filter out copying header files
Filter out copying plist files
Filter out warnings from the compiler

* Turn warning output on by default

Conflicts:
	lib/xcpretty/formatters/formatter.rb
Filter out shell command invocations in general

It is possible that this matching expression may be too general and match text
which is unrelated to the running commands, or even match user-created log
messages

Conflicts:
	lib/xcpretty/formatters/formatter.rb
	spec/xcpretty/parser_spec.rb
Add catch-all for unmatched build text

While the text is handled, the output is muted by default. It
can be enabled by any subclass of formatter implementing
`format_other_output`, as shown by the simple formatter.
Filter out whitespace-only lines
Filter out mkdir invocations
Filter out completion line for build, clean, and test stages
Only match arbitrary commands when the path contains a bin dir
Cleanup formatting
Filter mkdir with other commands