(PE-1) Add opinion about Sublime to file1

Previously this file contained opinions about Vim and Emacs.  I added another
opinion to this file.
(PE-2) Add lines to poem in file2

New lines were added to the poem in file2 in order to make it more interesting.
Merge pull request #45 from ericalthatcher/feature/master/PE1_edit_file1

(PE-1) Add opinion about Sublime to file1