Bug: 402384 Add CONTRIBUTING file

Signed-off-by: Denis Roy <denis.roy@eclipse.org>
removed Iterables#zip and renamed zipWithIndex() to indexed()

Change-Id: I7454dd3b22e7e4493ba920622d86afd2ee119f67
improved xtend examples

Change-Id: Icb5102484fe5e815335455516d6bfb9ea51fae69
use the new active annotations

Change-Id: Iec3d3139bbd3886afa7c13a4b09d6c239633ee44
[mvn] Switched to maven 3.2
Merge "Bug: 402384 Add CONTRIBUTING file"
Merge "removed Iterables#zip and renamed zipWithIndex() to indexed()"
Merge "improved xtend examples"
Merge "use the new active annotations"
[outline] Added inherited members for Enums. Sorting for EnumLiterals.
Enum Test added

Change-Id: I40e12e9e79091c2998f4ea60d5806d9ba7f6e0ce
Signed-off-by: Dennis Huebner <dennis.huebner@itemis.de>
Merge "[outline] Added inherited members for Enums. Sorting for EnumLiterals. Enum Test added"
removed deprecated active annotation APIs

Change-Id: I7e1b6d4ade951e4e6c9bffbb60754671227065b8
handle overflow in IterableExtensions#indexed the same as in
IterableExtensions#forEach

Change-Id: I4322547e39c490d0f162066455887cc452f73ab1
added more AA convenience base classes

Change-Id: I31f08efd3b33e5438689eca5aa6ff225adc16ab3
report final fields not initialized by generated constructors
added modifiers to member declaration API
this will allow us to check @Data fields for illegal "var" keywords
[xtext] Revised usages of IProgressMonitor

Fixed handling of cancel events in many cases. Don't fire
too many events since they will block the UI and make operations
appear slower than they are.

see https://bugs.eclipse.org/bugs/show_bug.cgi?id=438648

Also fixed deadlocks in extractVariable and extractMethod
refactoring

see https://bugs.eclipse.org/bugs/show_bug.cgi?id=434509

Change-Id: I74e31cbe50eee73add033a96191cf036c7fdf7cc
[mvn] Make sure all the modules uses the same install/deploy version

Change-Id: Iaeba29680944fd0897933247981185b45d065ba8
[xtext][ui] Don't ignore InterruptedException or OperationCanceledException

Both should be propagated if they are caused by a
user action (cancel request)

Change-Id: I9bbb18e03a30375926a7722243670232f2fac63a
[xtend][compiler] Fixed exception

see https://bugs.eclipse.org/bugs/show_bug.cgi?id=439989

Change-Id: I8aff69b9b67765a15a9e7c512a7ddba3d8fe20da