Add PhD thesis Mats Larsson (2001)

"Coordinated Voltage Control in Electric Power Systems",
TEIE-1025,
Abstract: http://www.iea.lth.se/publications/abstract.html#1025
Full document: http://www.iea.lth.se/publications/Theses/LTH-IEA-1025.pdf
Upgrade from version 1.6 to 2.2.2 using Dymola2014FD01
Upgrade from MSL version 2.2.2 to 3.2.1 using Dymola2014FD01
Remove trailing white spaces.
Strip HTML fields
Clean up annotations using ttws[1]

  [1] https://github.com/dietmarw/trimtrailingwhitespaces
Text rearranged by "Dymola save action"
Corrected vector types to scalar types.
Replace the "p.u." by "1" to allow unit checking.
Revert non-working petrinet upgrade conversion.
More vector to scalar type corrections
Update the README to reflect the current state.