Merge pull request #60 from fdelapena/master

Rename readers library to liblcf and change license to MIT
Merge pull request #61 from fdelapena/master

Fix typo
Create qt build.
Merge pull request #62 from MarianoGnu/master

Create qt build.
Clear treemap.
Merge pull request #63 from MarianoGnu/master

Clear treemap.