oa_buttons: This allows the creation of more than one section that uses the same command buttons to add content.
Change comment.
Had an error in the logic.
Forgot to change core.filemode. Changing permissions back.
[oa_buttons] As per mpotter's request I have removed all references to 'strpos' and updated the code accordingly.
Merge pull request #56 from scottalan/command_buttons-multiple-same-section

[oa_buttons] This allows the creation of more than one 'node/add' command button per section type