Overhaul General Configuration. Tweak top navbar. Fix imdb and other images.

Change to rename General Configuration -> "Web Interface" tab as "Interface".
Add a "User Interface" section to the "Interface" tab.
Change consolidate "Date and Time" and "Theme" tab content to "User Interface" section.
Add field in Advanced setting for a custom remote name used to populate branch versions.
Change theme name "original" to "light".
Improve text wording on all UI options under General Configuration.
Improve reduce over use of capitals.
Improve streamline UI layout, mark-up and some CSS styling of all General Configuration tabs.
Fix default top navbar background white-out behaviour on browsers that don't support gradients.
Improve top navbar gradient use for greater cross browser compatibility (e.g. Safari).
Fix dark theme divider between Season numbers on display show page.
Fix main background and border colour of logs on log page.
Fix imdb and three other images rejected by IExplorer because they were corrupt. Turns out that they were .ico files renamed to either .gif or .png instead of being properly converted.
Fix "Subtitle Language" drop down font colour when entering text on the Subtitles Search settings.
Clean up text, correct quotations, use spaces for code lines, tabs for html.
Update changelog.
Tweak description under "Git remote for branch" on "General Config"/"Advanced Settings".
Merge pull request #42 from SickragePVR/feature/GenConfigLogAndNav

Overhaul General Configuration. Tweak top navbar. Fix imdb and other ima...
Implement automatic saving of poster layout sorting options on show list
Merge pull request #40 from adam111316/feature/save_poster_layout

Implement automatic saving of poster layout sorting options on show list
Clarify description for backlog searches option on provider settings page
Fix sorting options on Show List page.

Fix Layout "Poster" sort of Paused, Ended, and Continuing shows as they were random.
Fix Layout "Simple" sort of tvrage "New" and "Returning" series by changing status column text to "Continuing".
Merge pull request #43 from SickragePVR/feature/FixShowListSort

Fix sorting options on Show List page.
Add an in progress spinner that is suitable for the dark theme.

Add dark spinner to "Add New Show" (searching indexers), "Add existing shows" (Loading Folders), Coming Eps and all config pages (when saving).
Merge pull request #44 from SickragePVR/feature/AddDarkSpinner

Add an in progress spinner that is suitable for the dark theme.
Fix theme identification for spinner when restarting.
Merge pull request #45 from JackDandy/feature/FixRestartRef

Fix theme identification for spinner when restarting.
Fixes errors occurring when a show folder is deleted outside of SickRage
Feature/config_provider_improvements

* Styled config_providers to match new config_general styling
* Removed qtip from providers and converted back to a tab
* Removed superfish-1.4.8.js and supersubs-0.2b.js as they no longer
break provider sorting with qtip removed and is no longer required due
to new UI
Overhaul Config Search Settings in line with General Configuration.

Improve text wording on many UI elements under Search Settings.
Improve reduce over use of capitals.
Change prevent specific rTorrent guidance from showing everywhere.
Fix duplicate html IDs used on the Torrent Search tab, there can be only ONE ID!
Improve streamline UI layout, mark-up, and javascript, remove unused DOM setters.
Clean up text, correct quotations, use spaces for code lines, tabs for html.
config_notifications improvements

* Changed notifier test buttons to not run if required field is missing
* Required fields will now highlight input box and add an icon if field is missing when test is pushed
* Changed Test Plex Media Server to Test Plex Client as it only tests the client and not the server
* Styled config_notifications to match new config_general styling

Wording corrections
Merge pull request #47 from Supremicus/feature/config_notification_improvements

Feature/config notification improvements
Merge branch 'feature/config_provider_improvements' of https://github.com/Supremicus/SickRage into develop
Merge branch 'feature/OverhaulSearchSettings' of https://github.com/JackDandy/SickRage into develop
Merge branch 'feature/FixInvalidShowFolders' of https://github.com/adam111316/SickRage into develop