Fix issue 87, 88, 90, and 91

[rahlk]

This pull request add a static cyclomatic complexity computation (issue #91) and fixed the mangled comments in constructor declarations (issue #90)

Also addressed issues #88 and #87. There, I found that when executing Maven wrapper using its absolute path (/path/to/codeanalyzer-failing-projects/portfolio-spring/mvnw), it was looking for just .mvn/wrapper files in the wrong working directory, causing a ClassNotFoundException.

I fixed this by splitting the absolute command path into directory and filename components. Now ProcessBuilder uses the command's parent directory as the working directory and the filename as the command.

// Before: Using wrong working directory
Process process = new ProcessBuilder(command, "--version").start();

// After: Split command path to get correct working directory
Process process = new ProcessBuilder()
    .directory(new File(projectRootPom))  // Use mvnw's directory
    .command(commandFile.getName(), "--version")  // Use just "mvnw"
    .start();

I checked to make sure this applied to gradlew projects as well, and I made sure that the gradlew path is absolute.

[rahlk]

@fabio-franco please try to build and verify if the changes in this branch passes regression tests.