Merge branch 'issuedir' into 'master'

.gitignore

pom.xml

src/main/java/cli/CommandLineInterface.java

src/main/java/command/CommandComment.java

src/main/java/command/CommandCreate.java

src/main/java/command/CommandInit.java

src/main/java/command/CommandLs.java

src/main/java/command/CommandSelector.java

src/main/java/command/CommandShow.java

src/main/java/issue/IssueHistory.java

src/main/java/issueData/Comment.java

src/main/java/issueData/Issue.java

src/main/java/issueData/IssueRepository.java

src/main/java/issueData/IssueWriter.java

src/main/java/jgit/JGit.java

src/test/java/CommandInitTest.java