added blank personal githubstudent file
added actual content to welcome file
added second hometown for githubstudent
change header about class
added bash and java languages
some new reset feature
Merge branch 'githubstudent-personal-information' of https://github.com/githubschool/example-basic into githubstudent-personal-information
Merge pull request #2 from githubschool/githubstudent-personal-information

Githubstudent personal information