[Releng] Populate the empty repository with README
Change-Id: Ib2d682eb100a562d22bf158fba3cc7de0dc3c7fc
Signed-off-by: Quentin Le Menez <quentin.lemenez@cea.fr>
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+# SysML1.6
+A Papyrus DSML for the SysML 1.6 OMG norm
+
+### Repository structure ###
+
+This repository is organized around logical software components:
+
+* `core`: The core software components for SysML 1.6 (profile, element type).
+* `diagram`: Elements related to SysML diagrams (BDD, IBD, Parametric, Requirement)
+* `releng`: Elements related to the creation of the rcp, update-site
+* `table`: Elements related to SysML tables (Allocation, Requirement)
+* `ui`: Elements related to other eclipse ui integration.
+
+### How to build ###
+
+Components in this project are built using Maven and its Tycho plugin for the build of Eclipse artifacts.
+To build locally, simply execute the command line:
+
+```
+mvn clean install
+```
+
+To also build the modules relative to RCP and Product, please activate the following profile:
+
+```
+mvn clean install -Pproduct
+```
+
+If you are building inside a specific Eclipse version (plugins), you will need to specify:
+
+```
+mvn clean install -Pproduct -Dtycho.localArtifacts=ignore
+```
+
+To generate the site (documentation, javadoc, pdf), please activate the profile documentation and the one specific for pdf generation.
+Several images are exported directly from Rcptt tests, so if you want to integrate them in the web site or pdf, please run first the "mvn clean install -Pproduct"
+
+```
+mvn site -Pdocumentation,documentation-pdf
+```
+
+In a near feature, we will deploy to a distant web site through:
+
+```
+mvn site site:stage-deploy scm-publish:publish-scm -Pdocumentation,documentation-pdf
+
+It is possible that you encounter some difficulties if you are working with several version of Papyrus in your Maven and Eclipse workspace.
+So you can force tycho to download the right version by using:
+
+```
+mvn clean install -Dtycho.localArtifacts=ignore
+
+### Building against a specific Eclipse Release ###
+
+By default SysML16 is build against latest stable Eclipse Release Train (2018-12).
+
+### Building for Eclipser server ###
+
+If you want to pack and sign the project, you have to use the following profiles:
+
+```
+-Peclipse-pack
+```
+
+and
+
+```
+-Peclipse-sign
+```
+
+### How to extract basic requirements from normative pdf ###
+
+Have a look to src/site/xdoc/developer/normRequirementExtraction.xml
+
+## Hudson CI
+Build Status : 
+
+### How to change version ###
+
+```
+mvn -Dtycho.mode=maven org.eclipse.tycho:tycho-versions-plugin:set-version -DnewVersion=*new-version*-SNAPSHOT
+```
+Manual operation : change all Require-Bundle from bundle-version="*old-version*" to bundle-version="*new-version*"
+
+Verify that the *new version* is present in :
+ - All Manifest.MF
+ - the root pom.xml
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