Add more warnings source to 1.6) and fix warnings
-rw-r--r-- 35141 LICENSE
-rw-r--r-- 5640 Makefile.base
-rw-r--r-- 7798 README.md
-rw-r--r-- 6 VERSION
-rw-r--r-- 3728 changelog.md
-rwxr-xr-x 2072 configure.sh
drwxr-xr-x - icons
drwxr-xr-x - libs
drwxr-xr-x - screenshots
drwxr-xr-x - src