Update pycharm-ce license from unknown to apache

Lots of oss software used http://confluence.jetbrains.com/display/PYH/Third-Party+Software+Used+by+PyCharm but it is specifically under the apache license, see here: https://www.jetbrains.com/pycharm/download/index.html
Update pycharm license from unknown to commercial

30-day trial for the professional version
Update lynxlet license from unknown to closed

The source itself is available but the license prevents redistribution and modification, failing the definition at http://opensource.org/docs/osd
See also https://github.com/caskroom/homebrew-cask/issues/8169
Merge pull request #8203 from Amorymeltzer/update-licenses

Update licenses for pycharm, pycharm-ce, and lynxlet