Merge pull request #613 from attomos/master

Added GeneratorUtilities.prototype.isBaseDirExists function.
Exclude readme files of initializers
Add ignore ignore initializers pattern for runInitializers function
Change regex string to regex pattern configuration
Block runInitializers() function if compound.app doesn't exist
Merge pull request #617 from ArnaudSpanneut/master

Exclude readme files of initializers