Merge pull request #41 from Dziolas/master

BstUtils: correct a typo in variable name
Merge pull request #42 from Dziolas/master

BibFormat: update detiled format to show PRCID logo when available
Merge pull request #43 from Dziolas/fix_missing_files_format

BibTasklet: fix missing formats
BibTasklet: fix missing formats

* Checks in the newest revision if there are any missing formats
  comparing to old revisions, if yes, the old files are copied to
  the newest revision.
Merge pull request #44 from Dziolas/master

Webinterface: Stats module enabled
BibTasklet: change search pattern

* Changes search pattern in bst_fix_elsevier_missing_file_formats.
Merge pull request #45 from Dziolas/fix_missing_files_format

BibTasklet: change search pattern
BibTasklet: Fix getting DOI timestemp

* Handles "No route to host" exception.