output s2 index at 4 levels
region reverse geocoding
actually region reverse geocoding, that last commit was just fixes
Revert "try name index sorting in mongo again"

This reverts commit 2c8e71b9963732dfd482deb35333f533ec7bc9d1.

Conflicts:
	indexer/src/main/scala/OutputHFile.scala
put in broken name writing code for testing
fix build
this name writing code was never broken. stupid me.
revgeo debugging
array[byte] is not a good hash key
array[byte] is not a good hash key
array[byte] is not a good hash key
array[byte] is not a good hash key
array[byte] is not a good hash key
array[byte] is not a good hash key
array[byte] is not a good hash key
array[byte] is not a good hash key
array[byte] is not a good hash key
array[byte] is not a good hash key
array[byte] is not a good hash key
array[byte] is not a good hash key
array[byte] is not a good hash key
array[byte] is not a good hash key
array[byte] is not a good hash key
array[byte] is not a good hash key
array[byte] is not a good hash key
array[byte] is not a good hash key
array[byte] is not a good hash key
array[byte] is not a good hash key
array[byte] is not a good hash key
array[byte] is not a good hash key
array[byte] is not a good hash key
array[byte] is not a good hash key
array[byte] is not a good hash key
array[byte] is not a good hash key
array[byte] is not a good hash key
array[byte] is not a good hash key
array[byte] is not a good hash key
array[byte] is not a good hash key
output a standalone set of files for in-memory point reverse geocoding
add radius revgeo support
make s2_index optional
make building s2 index optional
build root entry for child map
fix lookup button text
in point mode, only use smallest covering
add slug lookup to geocoder.html
try to fix writeNames