Merge pull request #5 from FreekDB/master

Added four simulated tic files for testing purposes
Merge pull request #6 from FreekDB/master

Many small improvements
Merge pull request #7 from FreekDB/master

Some refactoring
Merge pull request #8 from FreekDB/master

Fixed unit tests and other improvements
Removed jar files not in use. 
Replaced System.out.println with logger.fine or logger.severe messages. 
Added logger and logger configuration for almost all of the classes.
Reset author for last commit.
Added .gitignore file to specify which files and directories can be ignored by git. This first version contains files and directories related to IntelliJ IDEA.
Added Checkstyle configuration files.
Added a todo item about selecting a row in the main table by clicking on a graph.
Changes to import statements.
Added the GenerateSimulatedTic class: a very simple tool to generate a TIC (total ion chromatogram) file for testing purposes.
Added a package-info.java file describing the contents of the utils package.