Update travis, slather configuration to try include all the relevant …

…information.

.slather.yml

@@ -1,4 +1,4 @@
 service: travis_ci
 coverage_service: coveralls
 xcodeproj: Bolts.xcodeproj
-source_directory: Bolts
+build_directory: build

.travis.yml

@@ -1,15 +1,19 @@
 language: objective-c
+osx_image: beta-xcode6.3
+cache: 
+  - bundler
+  - cocoapods
 before_install:
-  - gem install xcpretty -N
-  - gem install cocoapods --pre --quiet
-  - gem install slather
+  - gem install xcpretty -N --no-ri --no-rdoc
+  - gem install cocoapods --pre --quiet --no-ri --no-rdoc
+  - gem install slather --no-ri --no-rdoc
   - pod setup --silent
   - pod repo update --silent
 script:
   - pod lib lint Bolts.podspec
   - pod lib lint --use-libraries Bolts.podspec
   - set -o pipefail
-  - xcodebuild -project Bolts.xcodeproj -sdk iphonesimulator -scheme Bolts test | xcpretty -c
-  - xcodebuild -project Bolts.xcodeproj -sdk macosx -scheme MacBolts test | xcpretty -c
+  - xcodebuild test -project Bolts.xcodeproj -sdk macosx -scheme MacBolts -configuration Debug OBJROOT="$PWD/build" SYMROOT="$PWD/build" ONLY_ACTIVE_ARCH=NO GCC_INSTRUMENT_PROGRAM_FLOW_ARCS=YES GCC_GENERATE_TEST_COVERAGE_FILES=YES | xcpretty -c
+  - xcodebuild test -project Bolts.xcodeproj -sdk iphonesimulator -scheme Bolts -configuration Debug OBJROOT="$PWD/build" SYMROOT="$PWD/build" ONLY_ACTIVE_ARCH=NO GCC_INSTRUMENT_PROGRAM_FLOW_ARCS=YES GCC_GENERATE_TEST_COVERAGE_FILES=YES | xcpretty -c
 after_success:
   - slather

Bolts.xcodeproj/project.pbxproj

@@ -891,8 +891,6 @@
 				COPY_PHASE_STRIP = NO;
 				GCC_C_LANGUAGE_STANDARD = gnu99;
 				GCC_DYNAMIC_NO_PIC = NO;
-				GCC_GENERATE_TEST_COVERAGE_FILES = YES;
-				GCC_INSTRUMENT_PROGRAM_FLOW_ARCS = YES;
 				GCC_OPTIMIZATION_LEVEL = 0;
 				GCC_PREPROCESSOR_DEFINITIONS = (
 					"DEBUG=1",
@@ -931,8 +929,6 @@
 				CODE_SIGNING_REQUIRED = NO;
 				COPY_PHASE_STRIP = YES;
 				GCC_C_LANGUAGE_STANDARD = gnu99;
-				GCC_GENERATE_TEST_COVERAGE_FILES = NO;
-				GCC_INSTRUMENT_PROGRAM_FLOW_ARCS = NO;
 				GCC_WARN_ABOUT_MISSING_NEWLINE = YES;
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
 				GCC_WARN_INITIALIZER_NOT_FULLY_BRACKETED = YES;