Modify copyFiles to allow recursive copying of directories with contents, if directory name is specified in file list (or matched by wildcard)

fix MartinNowak's finding - wildcard copyDirs should be applied to directories only

Implement copyDirs parameter, similar to copyFiles - should recursively copy directory content to destination

Merge pull request #460 from MartinNowak/fixup385 ...

Revert "Remove the build type switch for "dub test". See #385."

Merge pull request #462 from MartinNowak/newLine ...

append a newline when writing dub.selections.json

Merge pull request #458 from gedaiu/master ...

Fix get module name from empty string

Removed trailing spaces

LGTM otherwise

Fix warnings and errors on git master

append a newline when writing dub.selections.json

Revert "Remove the build type switch for "dub test". See #385." ...

This reverts commit 2bc7780.

Conflicts:
	source/dub/commandline.d

Revert version file

Fix get module name diagnostic message

Fix get module name from empty string

Avoid awkward mixture of format() and string concatenation.

Avoid catching Error instances in various places. See #443.

DFix the code

Initialize regex engines lazily. See #441.

Fix ctRegex unstable parser

Upgrade Travis test to LDC 0.14.0 and add linker workaround.

builtin reverse to std.algorithm.reverse ...

now a warning in dmd

builtin sort to std.algorithm.sort

now a warning in dmd

std.algorthim.reverse returns void

Use the actual binary name used to build DUB as the default compiler. See #303.

Merge pull request #433 from MartinNowak/cleanCaches ...

Add clean-caches command for purging the metadata cache.

Merge pull request #432 from MartinNowak/typo ...

Fix typo.

Mention "deimos" for "dub init -h". See #431.

Merge pull request #431 from MartinNowak/deimosInit ...

add dub init deimos type

Fix build error on CI build.

Mention what to do with linkDependencies when building.

Add some more documentation in the Generator class.

Remove PackageManager argument from createProjectGenerator(). ...

The argument is also removed from all Generator sub classes.