ci: remove python2 support and testing

Jenkinsfile

@@ -14,7 +14,7 @@ pipeline {
                         utils.publish_coverage('coverage.xml')
                         utils.publish_coverage_native('index.html')
                     }
-                    junit '*_results.xml'
+                    mergeJunitResults()
                 }
             }
         }

setup.py

@@ -63,7 +63,7 @@ setup(
     packages=find_packages('src'),
     package_dir={'': 'src'},
     include_package_data=True,
-    install_requires=['python-ldap', 'six'],
+    install_requires=['python-ldap>2', 'six'],
     entry_points={
         'console_scripts': ['ldapsync=ldaptools.ldapsync.cmd:main'],
     },

tox.ini

@@ -5,22 +5,29 @@
 
 [tox]
 toxworkdir = {env:TMPDIR:/tmp}/tox-{env:USER}/ldaptools/
-envlist = py2-coverage-ldap2,py{2,3}-coverage-ldap3
+envlist = py3
 
 [testenv]
 usedevelop = true
 setenv =
-	coverage: COVERAGE=--junit-xml=test_results.xml --cov=src --cov-report xml --cov-report html
+	COVERAGE={tty::--cov --cov-append --cov-report xml --cov-report html --cov-context=test --cov-config=tox.ini}
+	JUNIT={tty::-o junit_suite_name={envname} --junit-xml=junit-{envname}.xml}
 deps =
-	coverage
 	pytest
 	pytest-cov
 	pytest-random
-	ldap3: python-ldap>2
-	ldap2: python-ldap<3
 commands =
-	py.test {env:COVERAGE:} {posargs:--random tests}
+	py.test {env:JUNIT:} {env:COVERAGE:} {posargs:--random tests}
 
 
 [pytest]
 junit_family=xunit2
+
+[coverage:run]
+source =
+    src
+    tests
+branch = True
+
+[coverage:html]
+show_contexts = True