Recompiled on OS X Mavericks

The previous version of the install_Mac_OSX.app generated an error that
the application was corrupt.
minor code changes
add  functions to handle pmag_criteria.txt in thellier_gui and demag_gui
code cleanup new format for pmag_criteria.txt

code cleanup new format for pmag_criteria.txt
add thellier_gui_dialogs.py
new file thellier_gui_dialogs.py
change version name
Merge branch 'master' of https://github.com/ltauxe/PmagPy
create .gitignore file to prevent clutter in repo
minor bug fix
Merge branch 'master' of github.com:ltauxe/PmagPy
more files into gitignore
finish merge