[#255] Sort dash like a zero
[#219] Add forwardlooking methodology text from support forum

http://support.iatistandard.org/entries/61004309-Forward-looking
[#244] Perform forwardlooking calculations at lowest hierarchy
[#250] Add forwardlooking csv
Convert plots.py to print functions
[#240] Be explicit about what an activity is
[#248] Adds inline styles to make tables look similar
[#248] Use vertical align on timelag table also
[#248] Mute dashes as well as zeroes
Merge pull request #264 from IATI/248-format-forward-looking-table

[#248] Adds inline styles to make tables look similar
Add publisher registry ID to forwardlooking csv and publisher links
[#244] Flag publishers reporting budgets not all at bottom hierarchy
[#266] Rename forwardlooking column headings
Add right hand border to forwardlooking table
[#244][#267] Add some text to the forwardlooking exceptions box
[#240] Update forwardlooking pseudocode with new current activity def

Brings the pseudocode in line with the change to the source code made in
this commit:
https://github.com/IATI/IATI-Stats/commit/a40058bd2b0c74a1777f8021c9b3fd3262b020bd
[#240] Add pseudocode to forwardlooking for counting at lowest hierachy
Add blank comprehensiveness tab