Fix: Remove <title> tags from SVGs

[mladenplavsic]

As described in #205 <title> tags are removed in these usages of SVG:

• svg-min/*.svg
• php/gridicons.php
• svg-sprite/gridicons.svg

This is done by updating Gruntfile.js - removed "addtitle" task.

Some more things done:

• Updated grunt-svgstore to version 1.0.0 in package.json
• Added option includeTitleElement and set to false https://github.com/fweinb/grunt-svgstore#optionsincludetitleelement-since-050
• Removed unnecessary option prefix
• Using svg-min/*.svg instead of svg/*.svg for "svgstore" task

[folletto]

includeTitleElement = false? Clever. :)

I'm a bit uncomfortable with fileContent.indexOf( '>' ) which seems too generic, but as we use GIT/PRs if there are odd results should be visible. For reference, I already raised the point in the past, so it's just to make sure we're aware, and there's an issue to fix it: #123.

---

To test, I checked:

1. No more title in svg-min/*.svg ✅
2. No more title in php/gridicons.php ✅
3. No more title in svg-sprite/gridicons.svg ✅
4. Run grunt, no differences expected ✅

Note: I had to run npm install before running grunt for this to work properly.

[folletto]

@bluefuton can you drop a quick eye here on the code to have a more expert review? Should be quick :)

[davewhitley]

My PR #208 caused the conflicts. Looks like this PR collapses the sprite into one line. Note that I added a new icon in #208

[bluefuton]

Thanks @mladenplavsic! Code looks good to me - just needs rebasing and SVGs regenerating I think 👍

[bluefuton]

🚢

[davewhitley]

@mladenplavsic feel free to squash and merge.

[mladenplavsic]

@drw158 I would like to, but I don't have permission for it :-)

[bluefuton]

I'll do the honours. Thanks @mladenplavsic!