silence annoying warning now that boost is not a SYSTEM include again
some scaffolding for IndexedPointBuffer, including adding PointBuffer::applyScaling method to bring up from filters
remove dead getScaledValue code that has been put into PointBuffer::applyScaling so as to not copy it all over the place
FLANN-based index for nearest, not yet radius
add note for #177
silence annoying warning now that boost is not a SYSTEM include again
Merge branch 'issues/177-scaling-filter'
clean up definition of buffer's byte sizes to use a single typedef instead of uint64_t's
clean up dimension maps when destructing filters.cache iterator
turn off return number data checks for now
clean up PointBuffer's byte size calculations to be more clear
merge 01c84eb5ebc2314c3afbae66e6c7db01a85b2c74 into master make sure to writeBufferBegin, even if we're not writing any points, so we can write 0-point files

Conflicts:
	src/Writer.cpp
can't call methods until we're actually constructed
turn off radiusSearch because it is causing Travis to fail
add large cache example (but mostly turned off for now due to the memory allocation taking forever
Merge branch 'master' into issues/180-sqlite-driver