Merge pull request #1 from loge-gh/master

intro.tex
translation progress: conditions
Merge branch 'master' of github.com:filonenko-mikhail/cltl2-doc
refactored intro
smallfixes
smallfixes
smallfixes numbers
add images (type heirarchy, clos method invocation), fix bug with generic function references, add some translations
fix sequence section, links are added
test - first patch
Merge pull request #2 from alexander-naumov/master

тест - поправил кое-что в первой главе
intern, unintern fixing
updated online docs
small fixes