minor corrections
Merge pull request #2027 from Guite/1.4

list only actually included files as combined in the output, fixed #1997
Merge pull request #2028 from Guite/1.4

consider base URI for jcss script inclusion
Merge pull request #2029 from Guite/1.4

updated comment, refs #1959
Merge pull request #2030 from Guite/1.4

typo