Initial CONTRIBUTING.md draft

Signed-off-by: Fred Bricon <fbricon@gmail.com>
436118 : Fix some marker inconsistencies

Bug 436118

Signed-off-by: Fred Bricon <fbricon@gmail.com>
Fix facade sometimes returning a null mavenProject instance, failing tests

Signed-off-by: Fred Bricon <fbricon@gmail.com>
436124 : override JarArchiverConfigurator.mavenProjectChanged to force manifest regeneration

Signed-off-by: Fred Bricon <fbricon@gmail.com>
Add missing about files to source jars

Signed-off-by: Fred Bricon <fbricon@gmail.com>
Add orbit repo for required guava 14+

Signed-off-by: Fred Bricon <fbricon@gmail.com>
Update copyright years

Signed-off-by: Fred Bricon <fbricon@gmail.com>
437197 : remove references to internal plexusbuildapi classes

Signed-off-by: Fred Bricon <fbricon@gmail.com>
Merge remote-tracking branch 'eclipse_base/1.1.x' into 1.1.x

Conflicts:
	org.eclipse.m2e.wtp/about.properties