Add @Require

[pmaselkowski]

Add @Require annotation.

This should be placed on annotations definitions, similar like @Conflicts.

This denotes that annotation require other annotation to work properly.

Syntax:

OR:

@Require('AnnOne', 'AnnTwo')
// require: AnnOne OR AnnTwo

AND:

@Require('AnnOne')
@Require('AnnTwo')
// require: AnnOne AND AnnTwo

Combine OR and AND:

@Require('AnnOne', 'AnnTwo')
@Require('AnnThree')
// require: (AnnOne OR AnnTwo) AND AnnThree