Update issue templates

Added New/Remove/Fix/Update Alternative templates.

.github/ISSUE_TEMPLATE/fix-update-alternative.md

@@ -0,0 +1,16 @@
+---
+name: Fix/update alternative
+about: Fix or update an exsting alternative.
+title: "[FIX] Fix/update alternative"
+labels: ''
+assignees: ''
+
+---
+
+**Service name**: *enter name here. Required.*
+
+**Error**: *enter what might be wrong or what should be updated.*
+
+**Proposed changes**: *enter what you suggest should be added.*
+
+**Additional details**: *any additional details*

.github/ISSUE_TEMPLATE/new-alternative.md

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+---
+name: New alternative
+about: Add a new alternative for a Google service
+title: "[NEW] New alternative"
+labels: ''
+assignees: ''
+
+---
+
+**Service name**: *enter service name here. Required*
+
+**Service URL**: *service URL here. Required*
+
+**5/9/14 eyes?**: yes/no/unknown
+
+**Description**: *detail why this service should be added. Include details such as pricing and privacy.*

.github/ISSUE_TEMPLATE/other.md

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+---
+name: Other
+about: Anything else that does not fit the other templates. Blank issues are also
+  permitted.
+title: "[OTHER]"
+labels: ''
+assignees: ''
+
+---
+
+

.github/ISSUE_TEMPLATE/remove-alternative.md

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+---
+name: Remove alternative
+about: Provide details on why an existing alternative should be removed.
+title: "[REMOVE] Remove alternative"
+labels: ''
+assignees: ''
+
+---
+
+**Service name**: *enter service name here. Required*
+
+**Reason**: *detail why this service should be removed. Include any relevant links. **This is not the place for personal opinions**.*