Squashed 'build/' changes from df2a38e..105f184

105f184 * FIX extraction of error messages during compilation of InputManager and DialogManager (SCXML -> JS) * REFACTORED clean tasks for removing temporary and generated files

git-subtree-dir: build
git-subtree-split: 105f184937452b309fc10517c093dbde370ca56f
Merge commit 'f40efb9df7876414e52d6e09445ae5ca5390ce56'
Squashed 'www-example/mmirf/' changes from a88c059..d5bc31a

d5bc31a updated documentation
93f132b added experimental feature "command queue": if TTS is currently in use while a new TTS request comes in, then the new request is queued and processed after the current TTS (and previously queued ones) has finished.
75204f0 BUGFIX for check of availability of Worker implementation
3ce0e4b Merge remote-tracking branch 'origin/master'
34a4b47 BUGFIX need to set hasDynamicContent to TRUE if element contains comment-statements (i.e. these need to be removed upon rendering)
251be0a BUGFIX removed @render from content-parser: the @render statement is only a function-call and has no content (caused wrongly parsed content for sourrounding content elements/statments)
a2a7b83 FIX on loading layout's resources: needed to wait for completion, before continuing initialization

git-subtree-dir: www-example/mmirf
git-subtree-split: d5bc31ad5d4e354fbcecb3a21e8aebaf5fda721a
Merge commit '9961cbec61fcf30a0f770319550cea9496b577d8'
updated build/ and www-example/mmirf for mmir-lib and mmir-tooling
respectively