Simplify connection list adapter

refs #61
Refactor project favorites list

refs #61
Reduce methods about connection List

refs #61
Simplify project list adapter

refs #61
Fix close on fetch new data
Simplify issue list adapter

refs #61
Simplify wiki list adapter

refs #61
Simplify category list adapter

refs #61
Remove cache codes because of ORMLite is implemented as object cache
Fix build error on setup ConnectionListAdapter
Caused by rebase to development
Simplify issue detail adapter

refs #61
Simplify relative issue detail adapter

refs #61
Simplify time entry list adapter

refs #61
Simplify journal list adapter

refs #61
Simplify attachment list adapter

refs #61
Fix setup activity's context
Check view id when reuse views
Use tag for cache form object
Fix crash on fetch remote first time
Cleanup imports