added author harmia
added post: polyglot programming

first post in the polyglot programming saga targeted on the JVM
levels of polyglotsm in different architectures
some fixes on the polyglot post
added Darep suggested fixes
img to html table
simplified, less redundancy
added n1ko proofreading
changed date
reverted excerpt to original
Merge pull request #45 from harmia/master

Polyglot programming