Updated coordinates of common-resources project

Signed-off-by: Sebastian Hoß <mail@shoss.de>
Updated tycho-compiler-jdt to latest version

Signed-off-by: Sebastian Hoß <mail@shoss.de>
Moved tycho-version to its own property for easier updates in the future

Signed-off-by: Sebastian Hoß <mail@shoss.de>
Moved common-resources version to its own property.

It will be easier to update the version in the future.

Signed-off-by: Sebastian Hoß <mail@shoss.de>
Updated to latest version of common-resources

Signed-off-by: Sebastian Hoß <mail@shoss.de>
Moved dependency declaration inside <dependencyManagement>

This way all child project will automatically get all the defined
dependencies without specifying a version themselves.

Signed-off-by: Sebastian Hoß <mail@shoss.de>
Added common excludes for license headers

Signed-off-by: Sebastian Hoß <mail@shoss.de>