Don't add a newline in cc-mode "inc" snippets
Use portable version of bash shebang

See also http://stackoverflow.com/questions/21612980
added add_library add_executable for cmake mode
Merge pull request #67 from Flowdalic/sh-mode

Use portable version of bash shebang
Merge pull request #66 from YorkZ/pull-request

Don't add a newline in cc-mode "inc" snippets
Merge pull request #68 from zchen24/master

added add_library add_executable for cmake mode