Improved bridge to Archaius1

• Bridge commons configuration listeners to archaius2
• Remove those pesky DeploymentContext not initialized warnings
• Fix immutable config proxies returning null

Java Proxy config binding default method call memory leak fix

• When binding a java proxy to dynamic configuration cache the MethodHandle so it is only looked up once and does not leak off heap memory due to a jdk bug. This should also speed up call to the default method as the lookup throws an exception for every call.
• Introduce the new LayeredConfig API for composing optional configuration in a well defined order

Revert merge #506 - Static bridge refactors

• Revert "Merge pull request #506 from elandau/bugfix/misc_static_bridge"

Static bridge fixes

• Cleanup archaius2 -> archaius1 static bridge by consolidating classes
• Fix DeploymentContext in archaius2 -> archaius1 static Guice bridge. This gets rid of the unnecessary printlns seen at the start of logs.
• Fix change notification registration when bridging Apache Common Configuration to Archaius2 Config
• Fix containsKey in PrefixedViewConfig

New APIs and Libraries Layer reversed

Added

• New PropertySources API to eventually replace Config
• Most composite Config implementations now backed by immutable datasets
• New safer forEachProperty API for iterating property keys and their values

Fixed

• Libraries layer behavior changed so last added config takes precedence to match behavior in Archaius1

Default collections in proxy

Merge pull request #494 from elandau/gradle3.5

Update to gradle 3.5

Pick up archaius 1 nextload properties

Merge pull request #479 from elandau/bugfix/nextload

Support netflixconfiguration.properties.nextLoad directive in properties files

v2.1.11: Merge pull request #460 from elandau/load_multiple_files

Fixed a bug where duplicate file names on the classpath would cause only one file to be loaded.

v2.1.10-rc.3: Merge pull request #460 from elandau/load_multiple_files

Load all files when multiple files are found for a resource name.

v2.1.10: Update build.gradle

minor patch to test utils
gradle upgrade
netflix oss plugin upgrade