[435753] Correct two labels

Bug: 435753
Change-Id: I00b8053e49f3a541c3b4d0645893932cfbfd88e0
Signed-off-by: Maxime PORHEL <maxime.porhel@obeo.fr>
[435879] Do not expose new child menus for unsupported diagram structure

Bug: 435879
Change-Id: I1978fd669a80818b4615b0d6e443004a8dcc806c
Signed-off-by: Maxime PORHEL <maxime.porhel@obeo.fr>
[435879] Hide DiagramDescription unsupported property sections

Hide reusedTools and reusedMappings property sections as Mappings and
Tools cannot be added on a DiagramDescription.

These property section are now displayed only when there are a
DiagramDescription has some reused tools/mappings, for compatibility
reasons with old odesign.


Bug: 435879
Change-Id: I0904ad628b27f96a218df0eff7fa98c33fac062a
Signed-off-by: Maxime PORHEL <maxime.porhel@obeo.fr>
[435879] Display Layer reusedTools/Mappings sections in Import tab

Bug: 435879
Change-Id: I23ce45058dee963f04a4fc347912c5775be2f941
Signed-off-by: Maxime PORHEL <maxime.porhel@obeo.fr>
[435879] Update release note

Bug: 435879
Change-Id: Idbfae47eda40ee6dd12e788ded0242acb8c0187d
Signed-off-by: Maxime PORHEL <maxime.porhel@obeo.fr>
[419926] Fix cheat-sheet text refering to Sirius instead of viewpoint

Bug: 419926
Change-Id: I279a9fae3bbe5e1eaee896088785ba5c43f51f9e
Signed-off-by: Pierre-Charles David <pierre-charles.david@obeo.fr>
[435201] Fix description of the Xtext integration plug-in

In the context of the "Help > About > Installation Details > Features"
dialog, the name used is not the feature's name but the name of the
branding plug-in of the feature, so change it too using the same rules
for consistency.

Bug: 435201
Change-Id: Icc4926cd6352ed1ce1bef59182dace31fd91286d
Signed-off-by: Pierre-Charles David <pierre-charles.david@obeo.fr>
[436076] Remove confusing and conflicting cheat-sheet

Bug: 436076
Change-Id: I3ad1a553354875608c0a1a168b987d9c93eb8a88
Signed-off-by: Pierre-Charles David <pierre-charles.david@obeo.fr>