Add sbt plugin plus eclipse compatibility

...solution-cache/reports/downloader-downloader_2.11-pom.xml

...ion-cache/reports/downloader-downloader_2.11-provided.xml

...e/reports/downloader-downloader_2.11-runtime-internal.xml

...tion-cache/reports/downloader-downloader_2.11-runtime.xml

...n-cache/reports/downloader-downloader_2.11-scala-tool.xml

...tion-cache/reports/downloader-downloader_2.11-sources.xml

...ache/reports/downloader-downloader_2.11-test-internal.xml

...olution-cache/reports/downloader-downloader_2.11-test.xml

target/resolution-cache/reports/ivy-report.css

target/resolution-cache/reports/ivy-report.xsl

...encyPositions/$global/streams/update_cache_2.11/input_dsp

...ncyPositions/$global/streams/update_cache_2.11/output_dsp

target/streams/$global/ivyConfiguration/$global/streams/out

target/streams/$global/ivySbt/$global/streams/out

...et/streams/$global/projectDescriptors/$global/streams/out

target/streams/$global/update/$global/streams/out

...s/$global/update/$global/streams/update_cache_2.11/inputs

...s/$global/update/$global/streams/update_cache_2.11/output

target/streams/compile/unmanagedJars/$global/streams/export

target/streams/runtime/unmanagedJars/$global/streams/export