uncomment bucket sort in travis.yml file

Author: Divyendu Singh

.travis.yml

@@ -16,7 +16,7 @@ script:
 - xcodebuild test -project ./Bloom\ Filter/Tests/Tests.xcodeproj -scheme Tests
 # - xcodebuild test -project ./Bounded\ Priority\ Queue/Tests/Tests.xcodeproj -scheme Tests
 # - xcodebuild test -project ./Breadth-First\ Search/Tests/Tests.xcodeproj -scheme Tests
-# - xcodebuild test -project ./Bucket\ Sort/Tests/Tests.xcodeproj -scheme Tests
+- xcodebuild test -project ./Bucket\ Sort/Tests/Tests.xcodeproj -scheme Tests
 - xcodebuild test -project ./B-Tree/Tests/Tests.xcodeproj -scheme Tests
 # - xcodebuild test -project ./Counting\ Sort/Tests/Tests.xcodeproj -scheme Tests
 # - xcodebuild test -project ./Depth-First\ Search/Tests/Tests.xcodeproj -scheme Tests