Allow to define values to the "colors" option
Add expectedCount to toString return value

Previously when using `assertThat` with `logicalOr` and one of the constraints was `PHPUnit_Framework_Constraint_Count`, the error message was without values (count is greater than  or count matches .)
Merge pull request #1527 from henriquemoody/colors

Allow to define options to display colors
restore phpunit.xml schema compatibility, colors=always only allowed from command line options
typo in comment
false means NEVER
Merge pull request #1529 from remicollet/issue-colors3

restore phpunit.xml schema compatibility, colors=always only allowed fro...
Fixes #1522: Fugbix typo.
Create tests for "colors" in configuration files
Merge pull request #1534 from henriquemoody/colors

Create tests for "colors" in configuration files
Fix "outout" typo in `--help` message
Merge pull request #1536 from henriquemoody/outout

Fix "outout" typo in `--help` message
Fix `--stderr` with `--tap` or `--testdox` options
CS fixes
Merge pull request #1542 from keradus/CS

PSR2 CS fixes
CS: A return statement wishing to return nothing should be simply `return`
Implode function should be used instead of join function.
Merge pull request #1546 from keradus/join

CS: Implode function should be used instead of join function.
Merge pull request #1547 from keradus/cs-empty_return

CS: A return statement wishing to return nothing should be simply `return`
Merge pull request #1537 from henriquemoody/stderr

Fix problem of `--stderr` with `--tap` or `--testdox` options