LDEV-3744: Use hardcoded icons' Data URIs instead of fetching and processing each icon before save. Remove canvg library as calculations can be done in an easier, native way.
LDEV-3742 Add Like feature for Scratchie * Implementation is a bit different for WF branch, as GET_BURNING_QUESTIONS_WITH_LIKES SQL query in ScratchieBurningQuestionDAOHibernate.java should be rewritten to comply with SQL92 standard introduced in MySQL 5.7.5
