fixes: https://github.com/calabash/calabash-ios/issues/334
added fix for 334
updated changelog with recent server changes
Update run_loop and bump
build_server is compat w/ 0.9.169 xcode proj and zip respects symlinks
await_keyboard has been deprecated - updating doc
bumped version to 0.9.169.pre1
added change log for 0.9.169
Merge pull request #336 from jmoody/feat/makes-rake-build-server-task-compat-with-0.9.169-xcode-project

updates rake build_server task to be compatible with 0.9.169 xcode project
Add ruby API for accessing the "keychain" route
Add documentation for keychain helper methods
yardocs for keychain_helpers
added yard ignores
updated the keychain helper docs
bumped gem/server versions to 0.9.169.pre2
updated changelog with details keychain API and documentation effort
rolls back version to 0.9.168.pre3 and merged 169 changelog back to 168
Merge pull request #338 from jmoody/fix-pr/jgallagher-add-keychain-support

FIX PR #323 Add ruby API for accessing the "keychain" route