Revert "Revert "Delete NameTypePair.java""

This reverts commit 57b047204092080855c0f2956346b5a3e6402c45.
Revert "Revert "Delete buildDB.java""

This reverts commit d5231a5e7cae7bec95595726da9ba5abfe547cae.
Revert "Revert "Delete dbTest.java""

This reverts commit 2f6970c382cfae2e6169de5d547206637d7f5c0b.
Revert "Revert "Delete IdPercentPair.java""

This reverts commit 96fa925892609102bc1ae7d0ec42a5aec1415f35.