corrected 9 broken cross-references in documentation
WELD-1756 Replace Guava - caches

- we are not able to replace the ClassTransformer.enhancedAnnotatedTypes due to recursion computation problems
- LoadingCacheUtils should be deleted afterwards
WELD-1756 Don't catch guava ExecutionError, code cleanup, javadoc update
WELD-1756 Revert one replacement in SpecializationAndEnablementRegistry

- recursion computation problems
WELD-1756 Update ComputingCache javadoc - recursive computations are not
supported
WELD-1495 Support loading Service implementations using ServiceLoader
WELD-1755 Replace com.google.common.collect.Collections2

- maven-checkstyle-plugin set failsOnError=false (no full JDK8 support
yet)
WELD-1755 Replace com.google.common.collect.Iterables and Iterators
WELD-1755 Replace com.google.common.collect.Lists and Sets
WELD-1755 Replace com.google.common.collect.ForwardingList
WELD-1755 Minor javadoc updates
Replace WeldCollections.addAll() with java.util.Collections.addAll()
WELD-1766 Differentiate between caching and non-caching client proxies
WELD-1766 Minor adjustments
WELD-1756 Introduce reentrant computing cache
WELD-1756 Remove the rest of LoadingCaches
Don't end up with StackOverFlow error when other than expected Exception is thrown.
WELD-1771 Weld Servlet - skip initialization if there is no bean archive
An attempt to optimize AbstractContext.getId()

There is not need to call ContextualStore.putIfAbsent() for RI beans because it's called for all PassivationCapable beans during deployment.
WELD-1778 Weld SE - @ThreadScoped must be recognized as a bean defining
annotation