Add new and improved license detection rules

Signed-off-by: Philippe Ombredanne <pombredanne@nexb.com>

Author: pombredanne

src/licensedcode/data/rules/apache-2.0_161.RULE

@@ -0,0 +1 @@
+License: Apache

src/licensedcode/data/rules/apache-2.0_161.yml

@@ -0,0 +1,3 @@
+license_expression: apache-2.0
+is_license_tag: yes
+relevance: 90

src/licensedcode/data/rules/bsd-new_306.RULE

@@ -0,0 +1,4 @@
+License
+-------
+
+3-clause BSD. See LICENSE file.

src/licensedcode/data/rules/bsd-new_306.yml

@@ -0,0 +1,5 @@
+license_expression: bsd-new
+is_license_tag: yes
+relevance: 100
+referenced_filenames:
+    - LICENSE

src/licensedcode/data/rules/bsd-new_307.RULE

@@ -0,0 +1,4 @@
+License
+-------
+
+3-clause BSD. 

src/licensedcode/data/rules/bsd-new_307.yml

@@ -0,0 +1,3 @@
+license_expression: bsd-new
+is_license_tag: yes
+relevance: 100

src/licensedcode/data/rules/bsd-new_308.RULE

@@ -0,0 +1,2 @@
+
+3-clause BSD. 

src/licensedcode/data/rules/bsd-new_308.yml

@@ -0,0 +1,3 @@
+license_expression: bsd-new
+is_license_reference: yes
+relevance: 100

src/licensedcode/data/rules/bsd-new_309.RULE

@@ -0,0 +1 @@
+Licensing: 3-clause BSD. See googletest/LICENSE file.

src/licensedcode/data/rules/bsd-new_309.yml

@@ -0,0 +1,5 @@
+license_expression: bsd-new
+is_license_tag: yes
+relevance: 100
+referenced_filenames:
+    - googletest/LICENSE