Pass output format in params table
Files are correctly copied to outputdir
Packing epub is working
converted math option from tabs to spaces
Fixed mathml option
Merge branch 'master' of github.com:michal-h21/tex4ebook into custdir
Adapted new dvi image format
Better parsing of numeric parameters?
Suppress image conversion with t4ht when custom scripts are provided
Added resolution to params
Merge branch 'custdir' of github.com:michal-h21/tex4ebook