Adding Social Bookmarklets

Adding Facebook & Twitter bookmarklets in tools page, which use the
yourls shorten url
Make yourls_is_shorturl() accept keyword and URLs. Fixes #1366.
Merge pull request #2 from ozh/fix-1366

Make yourls_is_shorturl() accept keyword and URLs. Fixes #1366.
Merge pull request #1368 from ozh/99e243414a709ab9bd6e8574e8dabb7e5d252d93

Make yourls_is_shorturl() accept keyword and URLs. Fixes #1366
Merge branch 'master' of https://github.com/YOURLS/YOURLS
Merge branch 'master' of https://github.com/hultra/YOURLS into hultra-master
WTF white space
Ho noes, more white space...
And a few more. Grrr.
Merge pull request #1370 from ozh/hultra-master

Adding 2 social bookmarklets using YOURLS. Closes issue #1360
Fix `yourls_escape( ... )` with ezSQL integration

Fix #1371
Prepare Travis Status in README
Updated API documentation to include JSONP

According from what I am reading from the source, JSONP is accepted for all actions (its not filtered out in the functions like simple is).
Merge pull request #1377 from seandrickson/patch-1

Updated API documentation to include JSONP
Revert "Fix `yourls_escape( ... )` with ezSQL integration"

This reverts commit b1092a776834875565ce9e4a6dbbf194b13f2b02.
Fix the escape fix that didn't fix the escape
Merge pull request #1378 from ozh/escape-fix

yourls_escape() fix
Maintenance mode - 1st commit
@since 1.7
Merge branch 'maintenance_mode' of https://github.com/ozh/YOURLS into maintenance_mode

Conflicts:
	.gitignore