sir-trevor : more padding at the top of the block and break words in .st-text-block
bootstrap.less added in the less path
sir-trevor : default type set to Text
sir-trevor : when a new block is added, remove the empty blocks
Copyright headers
Merge pull request #51 from vied12/beautify-sir-trevor(LBSD-284)

Improve behaviour of editor LBSD-284,LBSD-291