format fixes for consistency
define windows only variable only on windows
suppressing obvious conversion warnings that appeared after making warning settings uniform across mac, iOS and windows
qtime MoviewWriter uses CI_VERIFY to check that the error status is OK
added extra brackets around CI_VERIFY, which fixes statements like CI_VERIFY( x == 0 ) in release mode.  Spacing to make it easier to read.
switch CI_ASSERT’s in audio status checks to CI_VERIFY to suppress unused warning
switched lineBreakUtf8()’s char arithmetic types back to int. init vars on separate lines.
pass in std::function as const& for consistency
Merge pull request #448 from cinder/silence_mac_warnings

Silence mac warnings