flake8 part of dev requirements
import script update
scripts are +x
simpleauth added
avatar templatetag created
avatar templatetag fix
Avatar generation templatetag

Closes #2
profile REST resource fix
[#4] counter app created
topic view counter

Closes #4
init search posts with mark pattern
add pagination, move mark pattern to templatetag, add SearchForm with validation (min 3 chars for this moment)
add regex, change %s to .format(), add css class
test posts_search
test posts_search
fix test posts_search
add test for mark_post tag
fix #2 add avatar tag
remove commented code, change templatetags name
merge with upstream/master