DEV-121 | No "source" of install_method for mongodb recipe
DEV-116 | problems related to virtualbox guest addition; virtualenvs directory permission
Merge remote-tracking branch 'phuonglm/bug/dev-121-no-source-of-install_method-for-mongodb-recipe' into develop
DEV-120 | Improve the section Ruby Training
DEV-124 | Update Workflow section
DEV-124 | Update Workflow
DEV-120 | Apply comments for Ruby Training
Merge remote-tracking branch 'hoavu/tasks/DEV-124-Update-Workflow' into develop
Merge remote-tracking branch 'hoavu/improvements/DEV-120-improve-Ruby-training' into develop