Adding -c and -C options for importing and exporting config files.

The config file is basically a python file with variables set to the different
options available to ChopLib. The config is imported first. Any other arguments
passed in will override the options in the config file.

The only thing this doesn't handle is ChopUi and setting gui mode.
Merge pull request #17 from fireeye/master

added link to resolve camcrypt issue
Initial commit of ChopShop/ChopLib 4.0 changes

Includes new shop modules ChopGrammar and ChopProtocol
Modification of ChopLib to support 4.0 features

Also fixes a bug in modinfo output which apparently noone noticed
Modified chopshop main program to support new modtree option
Intermediary commit of ChopNids with 4.0 features. Note that this WILL change and should not be used to test against or as a reference for implementation
Reduced duplicate code, changed how the stream_meta for non-core protocols is handled
Initial commit of http module. Takes in tcp, outputs 'http' messages
Legacy check before deletion of children elements
Fixed presentation of mod info
Initial commit of TCPlot module for creating per-stream scatter/line plots of TCP transmissions
Updated some code to handle legacy modules better
Also fixed lookup key for secondary modules
Finally remove print support from module_info
Updated docs to reflect 4.0 changes
Documentation updates (minor)
Address some issues.
Use module_data for module variables rather than global variables for storing packet info. Also, show unified plot with blue line.
Use markers to signify discrete data points
Merge pull request #18 from slsnow/master

Create TCP stream plot module
Updates to how ChopProtocol is handled/organized