[es] New Scala section with 2 book

[es] New .NET book

added tutorial entries for Prolog

Fix sorting

[en] Adding Perl Book (and removing Perl 6 duplicated)

good/bad examples of adding book entries

markdown formatting to make url parsing easier

BAD : (http://www.jsoftware.com/books/pdf/calculus.pdf)(PDF)
GOOD: (http://www.jsoftware.com/books/pdf/calculus.pdf) (PDF)

BAD : ([PDF](http://www.kamishima.net/archive/mlmpyja.pdf), [EPUB](http://www.kamishima.net/archive/mlmpyja.epub))- 神嶌敏弘
GOOD: [PDF](http://www.kamishima.net/archive/mlmpyja.pdf), [EPUB](http://www.kamishima.net/archive/mlmpyja.epub) - 神嶌敏弘

BAD : (http://introcs.cs.princeton.edu/java/home/)- Robert
GOOD: (http://introcs.cs.princeton.edu/java/home/) - Robert

[es] Added a Python book

[es] Cleanup and new C section

add link to "An Introduction to Scheme and its Implementation" ftp://ftp...

add link to "An Introduction to Scheme and its Implementation" ftp://ftp.cs.utexas.edu/pub/garbage/cs345/schintro-v14/schintro_toc.html

a new link to a scheme book

Add a new TypeScript book

[en] 2 more perl books

Django-ES, Web2py-Es and Rails as sublist of Ruby

[es] Adding a misc book

german book list corrections

for c and c++

Tidy the list and add Qt5 Cadaques book