Merge pull request #7 from podarok/dorg-posts-tracking

Add contrib modules date, strongarm, diff.
Merge pull request #14 from podarok/batch_save_revisions_commits

Batch save revisions commits.
Update ppgetstat.module
Add contrib modules.
Create items in two queues.
Proper urls for parsing.
Commits data got in.
Page with stats.
Restore queue users once per day.
Code sniffer checks.
Code sniffer. p2.
Update ppgetstat.module
Merge pull request #16 from podarok/crawler-queue

Commits statistics
Update properties module to last dev commit
Merge pull request #15 from podarok/update-properties-module

Update properties module to last dev commit
#13 | Add batch job for posts fetching
#13 | Parse every page from user post tracker