Attempt to find config file up one directory

Somewhat inelegant but effective way to search up a directory for wp-config file to loading if it doesn't exist in the current directory. This is useful since wp-config.php can exist one directory level above the WordPress install (which for many is htdocs itself)
Merge pull request #17 from bungeshea/master

Make usage instructions list ordered
Inserted else to fix rejection of the long-form --database option
Merge pull request #19 from notleigh/master

Minor fix to long option handler for --database
Right label charset for
Merge pull request #22 from Rahe/patch-1

Right label charset for
Merge pull request #16 from bananastalktome/master

Search up a directory for wp-config file
Free memory for each page query when done with it.
Update searchreplacedb2.php

Added dry-run option as check-box. Default state is checked.
Check for state of check-box and if set, bypass actual SQL update calls.
Adjusted wording of report for dry-run use case. Also add reminder that no updates were made by adding feedback into error queue (which shows up in red box above report).
Update README.md

Added dry-run step for web version.
Merge pull request #27 from bsy-web/master

Dry-run option added to step 4 page. Report language updated for dry-run case. Minor changes to wording of submit button and user feedback text.
Fixed error output styling - off center issue

Fixed warning where table might not exist, or describe query fails
Exclude memory limit/timeout  for CLI process
Merge pull request #30 from herewithme/patch-1

Exclude memory limit/timeout  for CLI process
Merge pull request #23 from cyberhobo/free-page-memory

Free memory for each page query when done with it.
Update README.md

fixed utf8 reference per issue #12
Update searchreplacedb2cli.php

corrected the charset example
Added new style search replace script
Added comment headers with GPL license
Removed old scripts

Updated README.md