Revert "Revert "Add .ipr files to gitignore.""
Revert "Revert "Add .ipr files to gitignore.""

This reverts commit 6bd188c853f1a49f50e1be5b1fa2cf2fbf695ab6.

LinkPowerHK/find,LinkPowerHK/find,hpe-idol/java-powerpoint-report,hpautonomy/find,hpe-idol/java-powerpoint-report,hpautonomy/find,hpe-idol/find,hpe-idol/find,hpautonomy/find,hpe-idol/find,hpautonomy/find,hpe-idol/find,hpautonomy/find,hpe-idol/find,LinkPowerHK/find,LinkPowerHK/find,LinkPowerHK/find