fix static library build setting
fixes #47
Merge pull request #48 from gugmaster/static-lib-fix

Fix static library build setting (fixes #47)

For building the iOS static library the setting "Build Active
Architecture Only" should be NO so that Xcode builds an universal
static library containing both armv7 and armv7.

Credit to Stefan Gugarel.
Merge branch 'lukhnos-objectiveflickr-master'