GRADLE-2890 - some fixes to DependencyGraphBuilder exposed by the gra…

…ph serialization:

- Clean up outgoing unattached dependencies when a module version is evicted so that they are not later traversed.
- Restart all selectors for a module when a conflict for the module is resolved, even if there are no incoming dependencies, as new incoming dependencies may be discovered later.

GRADLE-2890 - some fixes to DependencyGraphBuilder exposed by the gra…

…ph serialization:

- Clean up outgoing unattached dependencies when a module version is evicted so that they are not later traversed.
- Restart all selectors for a module when a conflict for the module is resolved, even if there are no incoming dependencies, as new incoming dependencies may be discovered later.

Fleshed out the release note introduction

GRADLEREV-50 - Make IncrementalTaskInputs instances @NonExtensible.

GRADLEREV-50 - Make IncrementalTaskInputs instances @NonExtensible.

Build with the very latest release branch code.

improvements to Groovy and Scala user guide chapters

- better explain how groovyClasspath and scalaClasspath are inferred

A little more content for the release notes.

Move log warnings about ignored ivy file content down to debug level.

- Ideally, these should only be logged once when the module is actually resolved from a remote repository.
- Once we don't use ivy.xml for internal meta-data persistence, we should be able to move these messages up to WARN, I think.
- Also, used the correct string substitution characters for log messages

Move log warnings about ignored ivy file content down to debug level.

- Ideally, these should only be logged once when the module is actually resolved from a remote repository.
- Once we don't use ivy.xml for internal meta-data persistence, we should be able to move these messages up to WARN, I think.
- Also, used the correct string substitution characters for log messages