Merge pull request #36 from chiccorusso/clion

Added .idea to .gitignore. Builds with JetBrains CLion.
Building against LibLAS 1.8.
Merge pull request #39 from chiccorusso/laslib1_8

Building against LibLAS 1.8.
renamed CloudJS::string() to CloudJS::getString() to avoid Ubuntu GCC build issue
Merge pull request #42 from Georepublic/develop_issue41

Renamed CloudJS::string() to CloudJS::getString() to avoid Ubuntu GCC build issue
updated readme
added hpp files to cmake build
Merge pull request #50 from potree/develop

Develop