rename variable counter to projectCounter and adding public method for accessing generateGitPropertiesFilename
https://github.com/ktoso/maven-git-commit-id-plugin/issues/124 : Extra directories created when default <generateGitPropertiesFilename> is used
removed getGitPropertiesFilename
removing static counter; not exactly sure how maven runs projects when in multithreaded mode
Merge pull request #125 from TheSnoozer/master

Fix for #124