Updating .gitignore to not include iml files from intellij in the code repo
Updating .gitignore to not include iml files from intellij in the code repo

nvoron23/hadoop-arch-book,hadooparchitecturebook/hadoop-arch-book,smartpcr/hadoop-arch-book,nvoron23/hadoop-arch-book,smartpcr/hadoop-arch-book,hadooparchitecturebook/hadoop-arch-book,smartpcr/hadoop-arch-book,nvoron23/hadoop-arch-book,hadooparchitecturebook/hadoop-arch-book