Add descriptions for few new scripts
Add space to command line for change_text_recursively script
Remove requirement of have renderPipeline test inside filename of dot files to convert
Add new workds to vocabulary.txt
Add vocabulary_edit vocabulary_print and vocabulary_test scripts for VocabularyLearner system
Add getYoutubeMusic script
Change index files
Change installOpenCV script of installOpenCV for different versions

Signed-off-by: xmementoit <info@xmementoit.com>
Change installOpenCV script of installOpenCV for different versions

Signed-off-by: xmementoit <info@xmementoit.com>