Cleanup readme (apache#1)

* Basic cleanup of README
* Remove lucene DOAP file
* Change gradle rootProject.name to solr-root
* Remove badge and some more Lucene mentions. Added a link to Lucene webpage.

README.md

@@ -15,46 +15,34 @@
     limitations under the License.
  -->
 
-# Apache Lucene and Solr
+# Apache Solr
 
-Apache Lucene is a high-performance, full featured text search engine library
-written in Java.
-
-Apache Solr is an enterprise search platform written in Java and using Apache Lucene.
+Apache Solr is an enterprise search platform written in Java and using [Apache Lucene](https://lucene.apache.org/).
 Major features include full-text search, index replication and sharding, and
 result faceting and highlighting.
 
 
-[![Build Status](https://ci-builds.apache.org/job/Lucene/job/Lucene-Artifacts-master/badge/icon?subject=Lucene)](https://ci-builds.apache.org/job/Lucene/job/Lucene-Artifacts-master/) [![Build Status](https://ci-builds.apache.org/job/Lucene/job/Solr-Artifacts-master/badge/icon?subject=Solr)](https://ci-builds.apache.org/job/Lucene/job/Solr-Artifacts-master/)
+[![Build Status](https://ci-builds.apache.org/job/Lucene/job/Solr-Artifacts-master/badge/icon?subject=Solr)](https://ci-builds.apache.org/job/Lucene/job/Solr-Artifacts-master/)
 
 
 ## Online Documentation
 
 This README file only contains basic setup instructions.  For more
-comprehensive documentation, visit:
-
-- Lucene: <http://lucene.apache.org/core/documentation.html>
-- Solr: <http://lucene.apache.org/solr/guide/>
+comprehensive documentation, visit <https://solr.apache.org/guide/>
 
 ## Building with Gradle
 
-### Building Lucene
-
-See [lucene/BUILD.md](./lucene/BUILD.md).
-
-### Building Solr
-
 Firstly, you need to set up your development environment (OpenJDK 11 or greater).
 
 We'll assume that you know how to get and set up the JDK - if you
 don't, then we suggest starting at https://www.oracle.com/java/ and learning
 more about Java, before returning to this README. Solr runs with
 Java 11 and later.
 
-As of 9.0, Lucene/Solr uses [Gradle](https://gradle.org/) as the build
+As of 9.0, Solr uses [Gradle](https://gradle.org/) as the build
 system. Ant build support has been removed.
 
-To build Lucene and Solr, run (`./` can be omitted on Windows):
+To build Solr, run (`./` can be omitted on Windows):
 
 `./gradlew assemble`
 
@@ -83,7 +71,7 @@ If you want to build the documentation, type `./gradlew -p solr documentation`.
 
 ## Running Solr
 
-After [building Solr](#building-lucene-solr), the server can be started using
+After building Solr, the server can be started using
 the `bin/solr` control scripts.  Solr can be run in either standalone or
 distributed (SolrCloud mode).
 
@@ -114,7 +102,7 @@ directory.
 
 `./gradlew assemble` will build a runnable Solr as noted above.
 
-`./gradlew check` will assemble Lucene/Solr and run all validation
+`./gradlew check` will assemble Solr and run all validation
   tasks unit tests.
 
 `./gradlew help` will print a list of help commands for high-level tasks. One
@@ -129,8 +117,7 @@ contributing.
 
 ## Discussion and Support
 
-- [Users Mailing List](http://lucene.apache.org/solr/community.html#solr-user-list-solr-userluceneapacheorg)
-- [Developers Mailing List](http://lucene.apache.org/solr/community.html#developer-list-devluceneapacheorg)
-- [Lucene Issue Tracker](https://issues.apache.org/jira/browse/LUCENE)
-- [Solr Issue Tracker](https://issues.apache.org/jira/browse/SOLR)
+- [Mailing Lists](https://solr.apache.org/community.html#mailing-lists-chat)
+- [Issue Tracker (JIRA)](https://issues.apache.org/jira/browse/SOLR)
 - IRC: `#solr` and `#solr-dev` on freenode.net
+- [Slack](https://solr.apache.org/community.html#slack) 

dev-tools/doap/README.txt

@@ -1,8 +1,8 @@
-This folder contains the DOAP[1] files for each project.
+This folder contains the DOAP[1] file, which is parsed and displayed at https://projects.apache.org/project.html?solr
 
-Upon release, these files should be updated to include new release details.
+Upon release, this file should be updated to include new release details.
 
 NOTE: If this folder's contents are moved elsewhere, the website .htaccess
 file will need to be updated.
 
-[1] DOAP: https://github.com/edumbill/doap
+[1] DOAP: https://github.com/edumbill/doap