Update BoostrapBase to remove extra alert text

Remove Alert type text with Exclamation point description
Small documentation fixes, and removal of unused use statements
Merge branch 'develop'
Merge branch 'develop'
Merge branch 'master' of https://github.com/bradcornford/Bootstrapper
Merge pull request #5 from bradcornford/develop

Refactored label and error helpers into new methods.
Update Alert with Optional Emphasis

Updated Bootstrap::alert(); to include an optional emphasis string.
Merge branch 'develop'
Update Alert with Optional Emphasis

Updated Bootstrap::alert(); to include an optional emphasis string.
Cleanup base function
Merge branch 'develop'
Merge pull request #6 from PunchRockgroin/develop

Update Alert with Optional Emphasis
Null vs False
Merge branch 'develop'
Scrutinizer Auto-Fixes

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/bradcornford/Bootstrapper/inspections/41263f88-73a3-4ef6-81a5-55f2b51c9618

Enabled analysis tools:
 - PHP Analyzer
 - PHP PDepend
 - PHP Similarity Analyzer
 - PHP Change Tracking Analyzer
Merge pull request #8 from bradcornford/scrutinizer-patch-1

Scrutinizer Auto-Fixes
Merge pull request #7 from PunchRockgroin/master

Null vs. False
Update readme for new Alert parameter
Merge branch 'develop'
Merge pull request #9 from PunchRockgroin/master

Update README to include new Alert parameter