reference folder should be renamed

[temp1337temp1337]

Hi,

after trying to install the library, I encountered initially the following error:

... LELA-master/install-sh: ./html/* does not exist.

It seems that the doc/Makefile.am tries to locate the html folder instead of the reference. After renaming it to html and re-executed the./configure; make; make install;the installation process went on smoothly.

I also renamed the reference.doxy file to html.doxy ; not totally sure if needed.

Thank you!