Escape double quotes for module map contents

Fix Swift static libary test specs

Release 1.5.0.beta.1

# gpg: Signature made Thu Mar 22 17:32:18 2018 PDT
# gpg:                using RSA key 01195BB315DDA856
# gpg: Good signature from "Samuel Giddins <segiddins@segiddins.me>"
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# Primary key fingerprint: 7B19 37A9 CF66 AEF6 52C9  4090 0119 5BB3 15DD A856

Use `flat_map` instead of flatten in some cases

Return list of files preserving given pattern order on glob

fix pod lib lint errors for pod with test_spec

Mixed language static frameworks

Update validator to stream output as xcodebuild runs

Updated validator's xcodebuild command to stream output as it runs, instead of holding it until the end, when given the --verbose flag (issue #7040)

Make Dangerfile warn instead of error for missing CHANGELOG entry

Fix to use common method for resource bundle Info.plist file generation

Document format of POD_NAMES in pod update

Also small grammar edits

Remove SWIFT_INCLUDE_PATHS for dependent targets with no swift

Allows to skip update operation for specific pods

[PathList] Wait to resolve symlinks until checking header ACL

Prevent `xcassets` compilation from stomping over the apps `xcassets`

Allows to skip the update operation for specific pods
E.g.: pod update --exclude-pods=Alamofire will update all
installed pods from the lockfile except Alamofire

Fix `PRODUCT_MODULE_NAME` for test generated targets