first attempt to place common code from plugin managers into one place
fixed one path
second attempt to place common code into one place (for kitPLugins)
added some comments, removed commented code
small styleguide changes
trying to fix build
removed deletion
added QRUTILS_EXPORT
Merge branch 'master' of https://github.com/qreal/qreal into pluginManagerReplacing

Conflicts:
	qrgui/pluginManager/editorManager.cpp
fixed some errors
Merge branch 'master' of https://github.com/qreal/qreal into pluginManagerReplacing

Conflicts:
	plugins/robots/interpreters/interpreterCore/src/managers/kitPluginManager.cpp
Merge branch 'master' of https://github.com/qreal/qreal into pluginManagerReplacing

Conflicts:
	plugins/robots/interpreters/interpreterCore/src/managers/kitPluginManager.cpp
	qrgui/pluginManager/editorManager.cpp
	qrgui/pluginManager/toolPluginManager.cpp
some styleguide changes
fixed path to plugins
renamed method, fixed strange unload method
decommented visual plugin interpreter
styleguide
changes after review
crash fixed
exterminatus.pru updated
test fixed