added procesing of <strong />
added jetbrains hidden directory to ignored by Git
added procesing of <em />
Merge branch 'emphasized-text' into important-and-emphasized-text
merged processing important and emphasized texts

Manually resolved conflicts in:
* src/MarkupTranslator/Translators/Base.php
* src/MarkupTranslator/Translators/Github.php
* tests/MarkupTranslator/Translators/GithubTest.php
added failing combined test case
added few more test cases and change the code to be more ugly but work better ;)
processInline() gets bigger and uglier but more tests pass!
two new types of markdown for important and emphasized text; more use cases in the unit test
formatting
Merge pull request #7 from hackathoners/important-and-emphasized-text

Important and emphasized text