Refactoring based upon tickets #287, #288
Fixed issue #362 "Issues with source-code like string contents"
Fixed issue #363 "Issue with source-code like string and the 'to_string()' function"
Fixed an issue in implementation of ticket #294
Fixed issue #366 "Issue with 'getfolderlist()'"
Fixed issue #364 "Issue in reworked resampler code"
Implemented ticket #294 "Improve linebreaks in the console"
Fixed issues in refactorings for #287, #288
Implemented ticket #356 "Transform the table handling for the viewer to pointers" -> Removed obsolete file kernel/core/datamanagement/container.cpp
Fixed an issue in implementation for #299 "Add lexers for C++ and Matlab files" -> Added the shortcut to (de-)comment multiple lines at once