Changed the link on pgstattuple docs in README.md.
Fixed a typo.
Made some fixes and additions in README.md.
Remove requirement to set env variables

If user would use pgcompact from cloned repo, script can find its own
libraries.
This is done by getting path to script, traversing to parent directory,
and then to lib directory.
Fixed missed classid conditions in the dependency check.
Set statement timeout to 0.
Refactored the DBI based adapter's error output.
Increased psql timeout to 10 hours.
Merge branch 'master' into v1.0testing
Made a fatpacked WIP version.
Merge branch 'master' into v1.0testing
Fixed some links and description.
Merge pull request #1 from depesz/master

Removed the need to set the PERL5LIB variable.
Fixed codestyle.
Fixed typos ant README.md.
Generalized the ad-hoc reindex test of non-partial indexes with tablespace by moving it to the database stub and refactoring tests.
Removed useless commented code blocks.
Added a reference to PgCookbook.
Fixed a typo.
WIP: Made a lock-friendly REINDEX.