Revert "Revert "Delete files which should not be managed""

This reverts commit b46efb155e96e217471de9d811053bc9ed2ee202.
Revert "Revert "Delete files which should not be managed""

This reverts commit 5558a81add962f46fe7bd53a605d7a48644e6489.
Revert "Revert "Migrate build system to Gradle""

This reverts commit 42beb739c2cbb42494b1845833459a126b723e2d.
Revert "Revert "Migrate build system to Gradle""

This reverts commit b38c55f995e5ced698959a487da6b0f03f197bee.
Revert "Revert "Migrate build system to Gradle""

This reverts commit e8eae1ae4fe2d9029159f5ee60d07c16b0d82bd2.
Revert "Revert "Migrate build system to Gradle""

This reverts commit f1767ad6132a5322d71e75601d2ddb8b88f5aeed.
Revert "Revert "Migrate build system to Gradle (now working and build doesen't work)""

This reverts commit d3ed85815ae596b7801d6ed05fa6a16a0510c328.
Revert "Revert "Migrate build system to Gradle""

This reverts commit d8b89dfed36f71ce6238d1a404da76388e01eae5.
Revert "Revert "Migrate build system to Gradle""

This reverts commit 2db8443027f310ee04d77dc1a9ea3d54d62c188b.
Revert "Revert "Migrate build system to Gradle""

This reverts commit 5a6d5f545aa1d8ccddc72c399aacf2e5ae4137a8.
Revert "Revert "Migrate build system to Gradle""

This reverts commit f6954f5297dfbb793a6edd0b94c02d1f7f2576ab.
Revert "Revert "Remove unused import""

This reverts commit cbd73c487fc317f1cd0858a5323302e83b08abbf.
Revert "Revert "Parameterize raw type ArrayList""

This reverts commit 7478eee792c348a4069a293a656141bf68a633d4.
Revert "Revert "Clean up code""

This reverts commit e70962ed24da916ff31b1db8ec91ad7aece26b9d.
Revert "Clean up code"

This reverts commit 54983da44e7ed61af43005ae6c5fdf541b387c0c.
Revert "Parameterize raw type ArrayList"

This reverts commit 882afb6c41c41f1cfce81d4385b4d3ef908c2c29.
Revert "Remove unused import"

This reverts commit 86d6fa05d7822e6ac3ba8f7a1f1c8606a88e220e.
Revert "Migrate build system to Gradle"

This reverts commit 2b0336460e33a817f0fe2ac0065affcad28db2de.
Revert "Migrate build system to Gradle"

This reverts commit 51b4c1f8a0364dcc544c8fd3ac81a1885618ce11.
Revert "Migrate build system to Gradle"

This reverts commit 871dd4575f2e9da30f409fcf08b5bc1c1eb37ff0.