Merge pull request #7 from potree/develop

Develop to Master
Update README.md
Merge remote-tracking branch 'origin/master' into develop

Conflicts:
	README.md
Merge branch 'develop'
laslaz using laslib instead of liblas and with some improvements
experimental stuff
getting closer...
already looking quite good, except for serious memory leak
memory leak fixed, finally
cleanup
updated README
Merge pull request #26 from potree/laslaz_second_try

Laslaz second try
falling back to iterative conversion
switching to the 1-pass method. It's not 100% correct but works much better with large datasets
updated readme
using double instead of float
Regex in PlyReader.h now uses the Boost::regex module as the c++11 regex is still experimental. This solution fixes the regex errors for Linux systems
Merge pull request #28 from eokeeffe/master

Regex in PlyReader.h now uses the Boost::regex module as the c++11 regex...
readded PLY and BIN readers, added BIN output format and made it default
switched back to liblas but still using laszip. can read las, laz and ply files, can write las, laz and bin files