Factor out an estimation strategies for Content and Network
Turn NetworkEstimator into implementation of an abstract strategy
Turn SemanticEstimator to implement an abstract strategy
Clean code style
:)
Resolve filename into URI

   convert content of file into URI as base64
   map filename into URI with dictionary
   parse filename with respect to how it was produced
Save mapping of filenames into URI, that was source of them
Add title into header of Intel
Wipe out dubugging prints
Make a few enhancements

Don't print unknown labels till debug mode
Add rectify and rectify_inline  keys to CFG
Add central (default) file 
Copy time trace method into log object
Use align() and opt() trees
Merge branch 'arrangetext_abstract' into estimator_abstract
Write down a couple of notes about propagation
:)
:)
Add switch ishtml to deal with html-files instead of text ones.
Create package definition for webcrawler
Move splitter code into Features
Turn word to be Int instead of String
Merge tag 'qq' into estimator_abstract