Changed version to 1.8.4
Document the change of the on-disk format in 1.8.0
Fix compilation with Visual Studion x64
Fixes for the MEX file compilation under Windows
Update doc/manual.tex
Merge pull request #86 from mattswe/patch-2

Small documentation edits
Put local include dir at the beginning of include path, so that system-wide installed flann headers don't get included.
Merge pull request #88 from mamoll/master

Include path fix
Fixing bug related to buiding some indexes when the dataset is not passed in the constructor
Adding -lflann to pkg-config flann.pc
Updated documentation mentioning that L2 computes squared distances
Fix check for MSVC compiler