JBIDE-17786 : Maven New and Noteworthy for 4.2.0.Beta3

Signed-off-by: Fred Bricon <fbricon@gmail.com>
m2e 1.5 N&N

Signed-off-by: Fred Bricon <fbricon@gmail.com>
m2e 1.5 blog :  improve the markup and tweak the language a bit

Signed-off-by: Fred Bricon <fbricon@gmail.com>
Awestruct doesn't like . in filenames

Signed-off-by: Fred Bricon <fbricon@gmail.com>
JBT 4.2.0.Beta3 announcement link for CAT page

The link to the announcement on jbt cat mailing list is added
to the schedule section of the cat page.
Add menu styles to blog and make the style and template actually show it.
move btn to kbd