remove boilerplate for tex outputs

Merge branch 'master' of github.com:kaushikcfd/pyLaTabulator

adds results of the example

adds example for hierarchical row naming

adds support for hierarchical row naming

Update README.org

some more details in readme

added support for formatting

adds support for hierarchical column naming

adds requirements

fixes the cropped filename

adds feature for direct display

ppmtopng -> pnmtopng

Fixes the column names and row names in the examples

Initial commit