Wrap `$PODS_CONFIGURATION_BUILD_DIR` and `$PODS_BUILD_DIR` with curlies

Do not merge `pod_target_xcconfig` from test specs into non test xcconfigs

Deduplicate test specs correctly from pod variants and targets

Do not force include master spec repo if plugin sources are provided

Fix common paths sometimes calculating incorrectly

Don't codesign :osx test targets

Propagate HEADER_SEARCH_PATHS settings from search paths

Ensure a unique ID is generated for each resource bundle

Exclude test resource and framework paths from aggregate targets

Use the resolver to identify which pod targets are test only

Fix static framework spec

Do not include settings from file accessors of test specs into aggregate xcconfigs

Fix OTHER_LDFLAGS for projects including source static frameworks

Perform code signing on xctest bundles in the Pods project

Filter out subset dependent targets from FRAMEWORK_SEARCH_PATHS

Fix xcconfig boolean merging

Add custom shell script integration from Podfile

Update travis ruby versions

Add Private Header support to static frameworks

Fix validation when using --swift-version