Removal of some unnecessary files.
Merge branch 'master' of https://github.com/Hoodangs/HooBrowser
Revert "Delete gradle.properties"

This reverts commit 372b2d2ae42f045568b37546bda426c8db063e3b.
Revert "Delete gradlew"

This reverts commit da801219133ad655b76bde56ed9b81b48088ab05.
Revert "Delete gradlew.bat"

This reverts commit 91cc867cacba282143b3b01b7d24ed1bb3816734.
Revert "Delete settings.gradle"

This reverts commit c75d20e4fbb5bf198192d4da93b4de45b0dd2829.
Revert "Delete proguard-rules.pro"

This reverts commit de9b60e8058d62d2caacfdd7584261e5c9453f76.