Merge pull request #138 from aliHafizji/master

Adding credit card edit text
Move project "CreditCardEditText" into section "Text Views"
Move "Demos" section on page with demo projects
Add some new projects in "Battlefield"
Update free.yml
Merge pull request #139 from tttzof351/master

Update free.yml
Add new category "Gradle Plugins", add new project "gradle-android-plugin"
Cleanup URLs (remove unnecessary '\' ending symbols)
Add some new libraries & apps
Update Sinatra (1.4.4 -> 1.4.5)
Add few keywords in meta info
Add new categories: "Media" & "Job Schedulers". (+ some new projects)
Update thin server to version 1.6.2. Specify all dependency versions to be more predictable
Add social buttons
added Appium to testing in free list. Appium is an open source test automation framework, using WebDriver protocol.
HzGrapher added
Merge pull request #141 from realwind2048/master

HzGrapher added
Merge pull request #140 from psorobka/master

added Appium to testing in free list
Add owasp-java-html-sanitizer
Use <h1> & <h2> tags correctly for semantic web & search engines