Merge pull request #12 from melnikaite/master

2 days with solr or 25x speed up of reindex
Minor fixes
New stylesheet
Merge pull request #13 from avsej/master

Update stylesheet
Twitter initial

Signed-off-by: Nikolai Sharangovich <nikolai.sharangovich@altoros.com>
Posts separated

Signed-off-by: Nikolai Sharangovich <nikolai.sharangovich@altoros.com>
Uneeded '>' removed

Signed-off-by: Николай <nikolai@Nickpad.(none)>
Links and apostrophes fixed
Merge pull request #14 from Altoros/twitter_news

Twitter warning & short url's
Amazon S3 for rails app

Signed-off-by: Nikolai Sharangovich <nikolai.sharangovich@altoros.com>
Merge pull request #15 from Sharangovich/master

Amazon S3 for rails app
Added a new post about core extension methods
Various fixes to the core extensions post
Merge pull request #16 from marvelousNinja/master

Added a new post about core extension methods
Removed image from post heading
Merge pull request #17 from marvelousNinja/master

Removed image from post heading
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